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2020-07-28net/mlx5: Add function ID to reclaim pages debug logAvihu Hagag1-1/+2
Add function ID to reclaim pages debug log for better user visibility. Signed-off-by: Avihu Hagag <avihuh@mellanox.com> Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-07-28net/mlx5: Hold pages RB tree per VFEran Ben Elisha2-39/+105
Per page request event, FW request to allocated or release pages for a single function. Driver maintains FW pages object per function, so there is no need to hold one global page data-base. Instead, have a page data-base per function, which will improve performance release flow in all cases, especially for "release all pages". As the range of function IDs is large and not sequential, use xarray to store a per function ID page data-base, where the function ID is the key. Upon first allocation of a page to a function ID, create the page data-base per function. This data-base will be released only at pagealloc mechanism cleanup. NIC: ConnectX-4 Lx CPU: Intel(R) Xeon(R) CPU E5-2650 v2 @ 2.60GHz Test case: 32 VFs, measure release pages on one VF as part of FLR Before: 0.021 Sec After: 0.014 Sec The improvement depends on amount of VFs and memory utilization by them. Time measurements above were taken from idle system. Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Reviewed-by: Mark Bloch <markb@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2020-07-27net/mlx4: Use fallthrough pseudo-keywordGustavo A. R. Silva3-5/+5
Replace the existing /* fall through */ comments and its variants with the new pseudo-keyword macro fallthrough[1]. [1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27qed: fix assignment of n_rq_elems to incorrect params fieldColin Ian King1-1/+1
Currently n_rq_elems is being assigned to params.elem_size instead of the field params.num_elems. Coverity is detecting this as a double assingment to params.elem_size and reporting this as an usused value on the first assignment. Fix this. Addresses-Coverity: ("Unused value") Fixes: b6db3f71c976 ("qed: simplify chain allocation with init params struct") Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Alexander Lobakin <alobakin@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27sfc_ef100: implement ndo_get_phys_port_{id,name}Edward Cree2-0/+23
Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27sfc_ef100: read device MAC address at probe timeEdward Cree2-1/+40
Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27sfc_ef100: probe the PHY and configure the MACEdward Cree1-1/+41
Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27sfc_ef100: actually perform resetsEdward Cree1-0/+9
In ef100_reset(), make the MCDI call to do the reset. Also, do a reset at start-of-day during probe, to put the function in a clean state. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27sfc_ef100: extend ef100_check_caps to cover datapath_caps3Edward Cree3-3/+11
MC_CMD_GET_CAPABILITIES now has a third word of flags; extend the efx_has_cap() machinery to cover it. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27sfc_ef100: read datapath caps, implement check_capsEdward Cree2-2/+58
Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27sfc_ef100: process events for MCDI completionsEdward Cree1-1/+56
Currently RX and TX-completion events are unhandled, as neither the RX nor the TX path has been implemented yet. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27sfc_ef100: implement ndo_open/close and EVQ probingEdward Cree7-0/+225
Channels are probed, but actual event handling is still stubbed out. Stub implementation of check_caps is needed because ptp.c will call into it from efx_ptp_use_mac_tx_timestamps() to decide if it wants TXQs. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27sfc_ef100: implement MCDI transportEdward Cree2-0/+107
Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27sfc_ef100: don't call efx_reset_down()/up() on EF100Edward Cree1-3/+8
We handle everything ourselves in ef100_reset(), rather than relying on the generic down/up routines. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27sfc_ef100: PHY probe stubEdward Cree1-0/+14
We can't actually do the MCDI to probe it fully until we have working MCDI, which comes later, but we need efx->phy_data to be allocated so that when we get MCDI events the link-state change handler doesn't NULL-dereference. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27sfc_ef100: reset-handling stubEdward Cree1-0/+50
We don't actually do the efx_mcdi_reset() because we don't have MCDI yet. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27sfc: skeleton EF100 PF driverEdward Cree26-13/+1095
No TX or RX path, no MCDI, not even an ifup/down handler. Besides stubs, the bulk of the patch deals with reading the Xilinx extended PCIe capability, which tells us where to find our BAR. Though in the same module, EF100 has its own struct pci_driver, which is named sfc_ef100. A small number of additional nic_type methods are added; those in the TX (tx_enqueue) and RX (rx_packet) paths are called through indirect call wrappers to minimise the performance impact. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-27sfc_ef100: register accesses on EF100Edward Cree2-3/+15
EF100 adds a few new valid addresses for efx_writed_page(), as well as a Function Control Window in the BAR whose location is variable. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>