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2021-03-31net: enetc: clean the TX software BD on the TX confirmation pathVladimir Oltean1-0/+4
With the future introduction of some new fields into enetc_tx_swbd such as is_xdp_tx, is_xdp_redirect etc, we need not only to set these bits to true from the XDP_TX/XDP_REDIRECT code path, but also to false from the old code paths. This is because TX software buffer descriptors are kept in a ring that is shadow of the hardware TX ring, so these structures keep getting reused, and there is always the possibility that when a software BD is reused (after we ran a full circle through the TX ring), the old user of the tx_swbd had set is_xdp_tx = true, and now we are sending a regular skb, which would need to set is_xdp_tx = false. To be minimally invasive to the old code paths, let's just scrub the software TX BD in the TX confirmation path (enetc_clean_tx_ring), once we know that nobody uses this software TX BD (tx_ring->next_to_clean hasn't yet been updated, and the TX paths check enetc_bd_unused which tells them if there's any more space in the TX ring for a new enqueue). Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31net: enetc: add a dedicated is_eof bit in the TX software BDVladimir Oltean2-4/+4
In the transmit path, if we have a scatter/gather frame, it is put into multiple software buffer descriptors, the last of which has the skb pointer populated (which is necessary for rearming the TX MSI vector and for collecting the two-step TX timestamp from the TX confirmation path). At the moment, this is sufficient, but with XDP_TX, we'll need to service TX software buffer descriptors that don't have an skb pointer, however they might be final nonetheless. So add a dedicated bit for final software BDs that we populate and check explicitly. Also, we keep looking just for an skb when doing TX timestamping, because we don't want/need that for XDP. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31net: enetc: move skb creation into enetc_build_skbVladimir Oltean1-37/+44
We need to build an skb from two code paths now: from the plain RX data path and from the XDP data path when the verdict is XDP_PASS. Create a new enetc_build_skb function which contains the essential steps for building an skb based on the first and last positions of buffer descriptors within the RX ring. We also squash the enetc_process_skb function into enetc_build_skb, because what that function did wasn't very meaningful on its own. The "rx_frm_cnt++" instruction has been moved around napi_gro_receive for cosmetic reasons, to be in the same spot as rx_byte_cnt++, which itself must be before napi_gro_receive, because that's when we lose ownership of the skb. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31net: enetc: consume the error RX buffer descriptors in a dedicated functionVladimir Oltean1-16/+27
We can and should check the RX BD errors before starting to build the skb. The only apparent reason why things are done in this backwards order is to spare one call to enetc_rxbd_next. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31ipv6: remove extra dev_hold() for fallback tunnelsEric Dumazet4-6/+0
My previous commits added a dev_hold() in tunnels ndo_init(), but forgot to remove it from special functions setting up fallback tunnels. Fallback tunnels do call their respective ndo_init() This leads to various reports like : unregister_netdevice: waiting for ip6gre0 to become free. Usage count = 2 Fixes: 48bb5697269a ("ip6_tunnel: sit: proper dev_{hold|put} in ndo_[un]init methods") Fixes: 6289a98f0817 ("sit: proper dev_{hold|put} in ndo_[un]init methods") Fixes: 40cb881b5aaa ("ip6_vti: proper dev_{hold|put} in ndo_[un]init methods") Fixes: 7f700334be9a ("ip6_gre: proper dev_{hold|put} in ndo_[un]init methods") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: syzbot <syzkaller@googlegroups.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31net/tipc: fix missing destroy_workqueue() on error in tipc_crypto_start()Yang Yingliang1-0/+2
Add the missing destroy_workqueue() before return from tipc_crypto_start() in the error handling case. Fixes: 1ef6f7c9390f ("tipc: add automatic session key exchange") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31ipv6: move ip6_dst_ops first in netns_ipv6Eric Dumazet1-1/+3
ip6_dst_ops have cache line alignement. Moving it at beginning of netns_ipv6 removes a 48 byte hole, and shrinks netns_ipv6 from 12 to 11 cache lines. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31ipv6: convert elligible sysctls to u8Eric Dumazet3-38/+36
Convert most sysctls that can fit in a byte. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31tcp: convert tcp_comp_sack_nr sysctl to u8Eric Dumazet2-5/+3
tcp_comp_sack_nr max value was already 255. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31ipv4: convert igmp_link_local_mcast_reports sysctl to u8Eric Dumazet2-3/+3
This sysctl is a bool, can use less storage. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31ipv4: convert fib_multipath_{use_neigh|hash_policy} sysctls to u8Eric Dumazet2-6/+6
Make room for better packing of netns_ipv4 Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31ipv4: convert udp_l3mdev_accept sysctl to u8Eric Dumazet2-3/+3
Reduce footprint of sysctls. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31ipv4: convert fib_notify_on_flag_change sysctl to u8Eric Dumazet2-3/+3
Reduce footprint of sysctls. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31inet: shrink netns_ipv4 by another cache lineEric Dumazet1-3/+3
By shuffling around some fields to remove 8 bytes of hole, we can save one cache line. pahole result before/after the patch : /* size: 768, cachelines: 12, members: 139 */ /* sum members: 673, holes: 11, sum holes: 39 */ /* padding: 56 */ /* paddings: 2, sum paddings: 7 */ /* forced alignments: 1 */ -> /* size: 704, cachelines: 11, members: 139 */ /* sum members: 673, holes: 10, sum holes: 31 */ /* paddings: 2, sum paddings: 7 */ /* forced alignments: 1 */ Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31inet: shrink inet_timewait_death_row by 48 bytesEric Dumazet1-2/+5
struct inet_timewait_death_row uses two cache lines, because we want tw_count to use a full cache line to avoid false sharing. Rework its definition and placement in netns_ipv4 so that: 1) We add 60 bytes of padding after tw_count to avoid false sharing, knowing that tcp_death_row will have ____cacheline_aligned_in_smp attribute. 2) We do not risk padding before tcp_death_row, because we move it at the beginning of netns_ipv4, even if new fields are added later. 3) We do not waste 48 bytes of padding after it. Note that I have not changed dccp. pahole result for struct netns_ipv4 before/after the patch : /* size: 832, cachelines: 13, members: 139 */ /* sum members: 721, holes: 12, sum holes: 95 */ /* padding: 16 */ /* paddings: 2, sum paddings: 55 */ -> /* size: 768, cachelines: 12, members: 139 */ /* sum members: 673, holes: 11, sum holes: 39 */ /* padding: 56 */ /* paddings: 2, sum paddings: 7 */ /* forced alignments: 1 */ Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31net: lpc_eth: fix format warnings of block commentsYangyang Li1-3/+6
Fix the following format warning: 1. Block comments use * on subsequent lines 2. Block comments use a trailing */ on a separate line Signed-off-by: Yangyang Li <liyangyang20@huawei.com> Signed-off-by: Weihang Li <liweihang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31net: toshiba: fix the trailing format of some block commentsYixing Liu2-15/+30
Use a trailling */ on a separate line for block comments. Signed-off-by: Yixing Liu <liuyixing1@huawei.com> Signed-off-by: Weihang Li <liweihang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31net: ocelot: fix a trailling format issue with block commentsYixing Liu1-1/+2
Use a tralling */ on a separate line for block comments. Signed-off-by: Yixing Liu <liuyixing1@huawei.com> Signed-off-by: Weihang Li <liweihang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31net: amd: correct some format issuesYixing Liu1-0/+3
There should be a blank line after declarations. Signed-off-by: Yixing Liu <liuyixing1@huawei.com> Signed-off-by: Weihang Li <liweihang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31net: amd8111e: fix inappropriate spacesYixing Liu1-185/+177
Delete unncecessary spaces and add some reasonable spaces according to the coding-style of kernel. Signed-off-by: Yixing Liu <liuyixing1@huawei.com> Signed-off-by: Weihang Li <liweihang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31net: ena: remove extra words from commentsYixing Liu1-1/+1
Remove the redundant "for" from the commment. Signed-off-by: Yixing Liu <liuyixing1@huawei.com> Signed-off-by: Weihang Li <liweihang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31net: ena: fix inaccurate print typeYixing Liu1-2/+2
Use "%u" to replace "hu%". Signed-off-by: Yixing Liu <liuyixing1@huawei.com> Signed-off-by: Weihang Li <liweihang@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31qrtr: Convert qrtr_ports from IDR to XArrayMatthew Wilcox (Oracle)1-28/+14
The XArray interface is easier for this driver to use. Also fixes a bug reported by the improper use of GFP_ATOMIC. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31net: ethernet: stmicro: Remove duplicate struct declarationWan Jiabing1-1/+0
struct stmmac_safety_stats is declared twice. One has been declared at 29th line. Remove the duplicate. Signed-off-by: Wan Jiabing <wanjiabing@vivo.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31ip6_tunnel: sit: proper dev_{hold|put} in ndo_[un]init methodsEric Dumazet1-1/+1
Same reasons than for the previous commits : 6289a98f0817 ("sit: proper dev_{hold|put} in ndo_[un]init methods") 40cb881b5aaa ("ip6_vti: proper dev_{hold|put} in ndo_[un]init methods") 7f700334be9a ("ip6_gre: proper dev_{hold|put} in ndo_[un]init methods") After adopting CONFIG_PCPU_DEV_REFCNT=n option, syzbot was able to trigger a warning [1] Issue here is that: - all dev_put() should be paired with a corresponding prior dev_hold(). - A driver doing a dev_put() in its ndo_uninit() MUST also do a dev_hold() in its ndo_init(), only when ndo_init() is returning 0. Otherwise, register_netdevice() would call ndo_uninit() in its error path and release a refcount too soon. [1] WARNING: CPU: 1 PID: 21059 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0 lib/refcount.c:31 Modules linked in: CPU: 1 PID: 21059 Comm: syz-executor.4 Not tainted 5.12.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:refcount_warn_saturate+0xbf/0x1e0 lib/refcount.c:31 Code: 1d 6a 5a e8 09 31 ff 89 de e8 8d 1a ab fd 84 db 75 e0 e8 d4 13 ab fd 48 c7 c7 a0 e1 c1 89 c6 05 4a 5a e8 09 01 e8 2e 36 fb 04 <0f> 0b eb c4 e8 b8 13 ab fd 0f b6 1d 39 5a e8 09 31 ff 89 de e8 58 RSP: 0018:ffffc900025aefe8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff815c51f5 RDI: fffff520004b5def RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815bdf8e R11: 0000000000000000 R12: ffff888023488568 R13: ffff8880254e9000 R14: 00000000dfd82cfd R15: ffff88802ee2d7c0 FS: 00007f13bc590700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0943e74000 CR3: 0000000025273000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __refcount_dec include/linux/refcount.h:344 [inline] refcount_dec include/linux/refcount.h:359 [inline] dev_put include/linux/netdevice.h:4135 [inline] ip6_tnl_dev_uninit+0x370/0x3d0 net/ipv6/ip6_tunnel.c:387 register_netdevice+0xadf/0x1500 net/core/dev.c:10308 ip6_tnl_create2+0x1b5/0x400 net/ipv6/ip6_tunnel.c:263 ip6_tnl_newlink+0x312/0x580 net/ipv6/ip6_tunnel.c:2052 __rtnl_newlink+0x1062/0x1710 net/core/rtnetlink.c:3443 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3491 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5553 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2502 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1338 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1927 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:674 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2350 ___sys_sendmsg+0xf3/0x170 net/socket.c:2404 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2433 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae Fixes: 919067cc845f ("net: add CONFIG_PCPU_DEV_REFCNT") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: syzbot <syzkaller@googlegroups.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31selftests: ethtool: add a netdevsim FEC testJakub Kicinski2-1/+114
Test FEC settings, iterate over configs. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31netdevsim: add FEC settings supportJakub Kicinski2-0/+39
Add support for ethtool FEC and some ethtool error injection. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-31ethtool: support FEC settings over netlinkJakub Kicinski6-3/+339
Add FEC API to netlink. This is not a 1-to-1 conversion. FEC settings already depend on link modes to tell user which modes are supported. Take this further an use link modes for manual configuration. Old struct ethtool_fecparam is still used to talk to the drivers, so we need to translate back and forth. We can revisit the internal API if number of FEC encodings starts to grow. Enforce only one active FEC bit (by using a bit position rather than another mask). Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30net: ethernet: Fix typo of 'network' in commentEric Lin1-1/+1
Signed-off-by: Eric Lin <dslin1010@gmail.com> Reported-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30mlxsw: spectrum_router: Only perform atomic nexthop bucket replacement when requestedIdo Schimmel1-2/+3
When cleared, the 'force' parameter in nexthop bucket replacement notifications indicates that a driver should try to perform an atomic replacement. Meaning, only update the contents of the bucket if it is inactive. Since mlxsw only queries buckets' activity once every second, there is no point in trying an atomic replacement if the idle timer interval is smaller than 1 second. Currently, mlxsw ignores the original value of 'force' and will always try an atomic replacement if the idle timer is not smaller than 1 second. Fix this by taking the original value of 'force' into account and never promoting a non-atomic replacement to an atomic one. Fixes: 617a77f044ed ("mlxsw: spectrum_router: Add nexthop bucket replacement support") Reported-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Petr Machata <petrm@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30selftests: mptcp: remove id 0 address testcasesGeliang Tang1-2/+33
This patch added the testcases for removing the id 0 subflow and the id 0 address. In do_transfer, use the removing addresses number '9' for deleting the id 0 address. Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30selftests: mptcp: add addr argument for del_addrGeliang Tang1-3/+31
For the id 0 address, different MPTCP connections could be using different IP addresses for id 0. This patch added an extra argument IP address for del_addr when using id 0. Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30selftests: mptcp: avoid calling pm_nl_ctl with bad IDsMatthieu Baerts1-3/+3
IDs are supposed to be between 0 and 255. In pm_nl_ctl, for both the 'add' and 'get' instruction, the ID is casted in a u_int8_t. So if we give 256, we will delete ID 0. Obviously, the goal is not to delete this ID by giving 256. We could modify pm_nl_ctl and stop if the ID is negative or higher than 255 but probably better not to increase the number of lines for such things in this tool which is only used in selftests. Instead, we use it within the limits. This modification also means that we will no longer add a new ID for the 2nd entry. That's why we removed an expected entry from the dump and introduced with commit dc8eb10e95a8 ("selftests: mptcp: add testcases for setting the address ID"). So now we delete ID 9 like before and we add entries for IDs 10 to 255 that are deleted just after. Note that this could be seen as a fix but it was not really an issue so far: we were simply playing with ID 0/1 once again. With the following commit ("selftests: mptcp: add addr argument for del_addr"), it will be different because ID 0 is going to required an address. We don't want errors when trying to delete ID 0 without the address argument. Acked-and-tested-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30mptcp: remove id 0 addressGeliang Tang1-0/+43
This patch added a new function mptcp_nl_remove_id_zero_address to remove the id 0 address. In this function, traverse all the existing msk sockets to find the msk matched the input IP address. Then fill the removing list with id 0, and pass it to mptcp_pm_remove_addr and mptcp_pm_remove_subflow. Suggested-by: Paolo Abeni <pabeni@redhat.com> Suggested-by: Matthieu Baerts <matthieu.baerts@tessares.net> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30mptcp: unify RM_ADDR and RM_SUBFLOW receivingGeliang Tang1-49/+33
There are some duplicate code in mptcp_pm_nl_rm_addr_received and mptcp_pm_nl_rm_subflow_received. This patch unifies them into a new function named mptcp_pm_nl_rm_addr_or_subflow. In it, use the input parameter rm_type to identify it's now removing an address or a subflow. Suggested-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30mptcp: remove all subflows involving id 0 addressGeliang Tang1-4/+0
There's only one subflow involving the non-zero id address, but there may be multi subflows involving the id 0 address. Here's an example: local_id=0, remote_id=0 local_id=1, remote_id=0 local_id=0, remote_id=1 If the removing address id is 0, all the subflows involving the id 0 address need to be removed. In mptcp_pm_nl_rm_addr_received/mptcp_pm_nl_rm_subflow_received, the "break" prevents the iteration to the next subflow, so this patch dropped them. Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30net: fix icmp_echo_enable_probe sysctlEric Dumazet1-2/+2
sysctl_icmp_echo_enable_probe is an u8. ipv4_net_table entry should use .maxlen = sizeof(u8). .proc_handler = proc_dou8vec_minmax, Fixes: f1b8fa9fa586 ("net: add sysctl for enabling RFC 8335 PROBE messages") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Andreas Roeseler <andreas.a.roeseler@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30ionic: pull per-q stats work out of queue loopsShannon Nelson1-94/+125
Abstract out the per-queue data collection work into separate functions from the per-queue loops in the stats reporting, similar to what Alex did for the data label strings in commit acebe5b6107c ("ionic: Update driver to use ethtool_sprintf") Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30ionic: avoid races in ionic_heartbeat_checkShannon Nelson2-37/+63
Rework the heartbeat checks to be sure that we're getting an atomic operation. Through testing we found occasions where a separate thread could clash with this check and cause erroneous heartbeat check results. Signed-off-by: Allen Hubbe <allenbh@pensando.io> Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30ionic: fix sizeof usageShannon Nelson1-4/+4
Use the actual pointer that we care about as the subject of the sizeof, rather than a struct name. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30ionic: count dma errorsShannon Nelson1-2/+7
Increment our dma-error counter in a couple of spots that were missed before. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30dpaa2-switch: setup learning state on STP state changeIoana Ciornei1-8/+26
Depending on what STP state a port is in, the learning on that port should be enabled or disabled. When the STP state is DISABLED, BLOCKING or LISTENING no learning should be happening irrespective of what the bridge previously requested. The learning state is changed to be the one setup by the bridge when the STP state is LEARNING or FORWARDING. Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30dpaa2-switch: trap STP frames to the CPUIoana Ciornei5-0/+289
Add an ACL entry in each port's ACL table to redirect any frame that has the destination MAC address equal to the STP dmac to the control interface. Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30dpaa2-switch: keep track of the current learning state per portIoana Ciornei2-0/+5
Keep track of the current learning state per port so that we can reference it in the next patches when setting up a STP state. Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30dpaa2-switch: create and assign an ACL table per portIoana Ciornei5-1/+193
In order to trap frames to the CPU, the DPAA2 switch uses the ACL table. At probe time, create an ACL table for each switch port so that in the next patches we can use this to trap STP frames and redirect them to the control interface. Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30dpaa2-switch: fix the translation between the bridge and dpsw STP statesIoana Ciornei1-3/+20
The numerical values used for STP states are different between the bridge and the MC ABI therefore, the direct usage of the BR_STATE_* macros directly in the structures passed to the firmware is incorrect. Create a separate function that translates between the bridge STP states and the enum that holds the STP state as seen by the Management Complex. Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30tc-testing: add simple action change testVlad Buslov1-0/+24
Use act_simple to verify that action created with 'tc actions change' command exists after command returns. The goal is to verify internal action API reference counting to ensure that the case when netlink message has NLM_F_REPLACE flag set but action with specified index doesn't exist is handled correctly. Signed-off-by: Vlad Buslov <vladbu@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30selftests: net: add UDP GRO forwarding self-testsPaolo Abeni2-0/+252
Create a bunch of virtual topologies and verify that NETIF_F_GRO_FRAGLIST or NETIF_F_GRO_UDP_FWD-enabled devices aggregate the ingress packets as expected. Additionally check that the aggregate packets are segmented correctly when landing on a socket Also test SKB_GSO_FRAGLIST and SKB_GSO_UDP_L4 aggregation on top of UDP tunnel (vxlan) v1 -> v2: - hopefully clarify the commit message - moved the overlay network ipv6 range into the 'documentation' reserved range (Willem) Signed-off-by: Paolo Abeni <pabeni@redhat.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30bareudp: allow UDP L4 GRO passthrouPaolo Abeni1-0/+1
Similar to the previous commit, let even geneve passthrou the L4 GRO packets Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-30geneve: allow UDP L4 GRO passthrouPaolo Abeni1-0/+1
Similar to the previous commit, let even geneve passthrou the L4 GRO packets Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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