diff options
Diffstat (limited to '')
-rw-r--r-- | drivers/net/ethernet/cadence/macb_main.c | 3 | ||||
-rw-r--r-- | drivers/net/ethernet/freescale/fec.h | 6 | ||||
-rw-r--r-- | drivers/net/ethernet/freescale/fec_main.c | 29 | ||||
-rw-r--r-- | drivers/net/ethernet/freescale/gianfar.c | 14 | ||||
-rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c | 14 | ||||
-rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 1 | ||||
-rw-r--r-- | include/uapi/linux/icmpv6.h | 1 | ||||
-rw-r--r-- | net/atm/lec.c | 5 | ||||
-rw-r--r-- | net/ipv4/ip_tunnel.c | 3 | ||||
-rw-r--r-- | net/ipv6/icmp.c | 8 | ||||
-rw-r--r-- | net/ipv6/ip6_tunnel.c | 4 | ||||
-rw-r--r-- | net/ipv6/reassembly.c | 33 |
12 files changed, 79 insertions, 42 deletions
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index 883e47c5b1a7..286f0341bdf8 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -1929,7 +1929,8 @@ static inline int macb_clear_csum(struct sk_buff *skb) static int macb_pad_and_fcs(struct sk_buff **skb, struct net_device *ndev) { - bool cloned = skb_cloned(*skb) || skb_header_cloned(*skb); + bool cloned = skb_cloned(*skb) || skb_header_cloned(*skb) || + skb_is_nonlinear(*skb); int padlen = ETH_ZLEN - (*skb)->len; int headroom = skb_headroom(*skb); int tailroom = skb_tailroom(*skb); diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index 832a2175636d..c527f4ee1d3a 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -456,6 +456,12 @@ struct bufdesc_ex { */ #define FEC_QUIRK_HAS_FRREG (1 << 16) +/* Some FEC hardware blocks need the MMFR cleared at setup time to avoid + * the generation of an MII event. This must be avoided in the older + * FEC blocks where it will stop MII events being generated. + */ +#define FEC_QUIRK_CLEAR_SETUP_MII (1 << 17) + struct bufdesc_prop { int qid; /* Address of Rx and Tx buffers */ diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 8f7eca1e7716..d7919555250d 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -100,14 +100,14 @@ static const struct fec_devinfo fec_imx27_info = { static const struct fec_devinfo fec_imx28_info = { .quirks = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME | FEC_QUIRK_SINGLE_MDIO | FEC_QUIRK_HAS_RACC | - FEC_QUIRK_HAS_FRREG, + FEC_QUIRK_HAS_FRREG | FEC_QUIRK_CLEAR_SETUP_MII, }; static const struct fec_devinfo fec_imx6q_info = { .quirks = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT | FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM | FEC_QUIRK_HAS_VLAN | FEC_QUIRK_ERR006358 | - FEC_QUIRK_HAS_RACC, + FEC_QUIRK_HAS_RACC | FEC_QUIRK_CLEAR_SETUP_MII, }; static const struct fec_devinfo fec_mvf600_info = { @@ -119,7 +119,8 @@ static const struct fec_devinfo fec_imx6x_info = { FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM | FEC_QUIRK_HAS_VLAN | FEC_QUIRK_HAS_AVB | FEC_QUIRK_ERR007885 | FEC_QUIRK_BUG_CAPTURE | - FEC_QUIRK_HAS_RACC | FEC_QUIRK_HAS_COALESCE, + FEC_QUIRK_HAS_RACC | FEC_QUIRK_HAS_COALESCE | + FEC_QUIRK_CLEAR_SETUP_MII, }; static const struct fec_devinfo fec_imx6ul_info = { @@ -127,7 +128,7 @@ static const struct fec_devinfo fec_imx6ul_info = { FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM | FEC_QUIRK_HAS_VLAN | FEC_QUIRK_ERR007885 | FEC_QUIRK_BUG_CAPTURE | FEC_QUIRK_HAS_RACC | - FEC_QUIRK_HAS_COALESCE, + FEC_QUIRK_HAS_COALESCE | FEC_QUIRK_CLEAR_SETUP_MII, }; static struct platform_device_id fec_devtype[] = { @@ -2134,15 +2135,17 @@ static int fec_enet_mii_init(struct platform_device *pdev) if (suppress_preamble) fep->phy_speed |= BIT(7); - /* Clear MMFR to avoid to generate MII event by writing MSCR. - * MII event generation condition: - * - writing MSCR: - * - mmfr[31:0]_not_zero & mscr[7:0]_is_zero & - * mscr_reg_data_in[7:0] != 0 - * - writing MMFR: - * - mscr[7:0]_not_zero - */ - writel(0, fep->hwp + FEC_MII_DATA); + if (fep->quirks & FEC_QUIRK_CLEAR_SETUP_MII) { + /* Clear MMFR to avoid to generate MII event by writing MSCR. + * MII event generation condition: + * - writing MSCR: + * - mmfr[31:0]_not_zero & mscr[7:0]_is_zero & + * mscr_reg_data_in[7:0] != 0 + * - writing MMFR: + * - mscr[7:0]_not_zero + */ + writel(0, fep->hwp + FEC_MII_DATA); + } writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED); diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index 41dd3d0f3452..d391a45cebb6 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -1829,20 +1829,12 @@ static netdev_tx_t gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) fcb_len = GMAC_FCB_LEN + GMAC_TXPAL_LEN; /* make space for additional header when fcb is needed */ - if (fcb_len && unlikely(skb_headroom(skb) < fcb_len)) { - struct sk_buff *skb_new; - - skb_new = skb_realloc_headroom(skb, fcb_len); - if (!skb_new) { + if (fcb_len) { + if (unlikely(skb_cow_head(skb, fcb_len))) { dev->stats.tx_errors++; dev_kfree_skb_any(skb); return NETDEV_TX_OK; } - - if (skb->sk) - skb_set_owner_w(skb_new, skb->sk); - dev_consume_skb_any(skb); - skb = skb_new; } /* total number of fragments in the SKB */ @@ -3380,7 +3372,7 @@ static int gfar_probe(struct platform_device *ofdev) if (dev->features & NETIF_F_IP_CSUM || priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER) - dev->needed_headroom = GMAC_FCB_LEN; + dev->needed_headroom = GMAC_FCB_LEN + GMAC_TXPAL_LEN; /* Initializing some of the rx/tx queue level parameters */ for (i = 0; i < priv->num_tx_queues; i++) { diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c index b6e5e3e36b63..81ee0a071b4e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c @@ -625,13 +625,6 @@ static int intel_eth_pci_probe(struct pci_dev *pdev, if (ret) return ret; - if (plat->eee_usecs_rate > 0) { - u32 tx_lpi_usec; - - tx_lpi_usec = (plat->eee_usecs_rate / 1000000) - 1; - writel(tx_lpi_usec, res.addr + GMAC_1US_TIC_COUNTER); - } - ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES); if (ret < 0) return ret; @@ -641,6 +634,13 @@ static int intel_eth_pci_probe(struct pci_dev *pdev, res.wol_irq = pci_irq_vector(pdev, 0); res.irq = pci_irq_vector(pdev, 0); + if (plat->eee_usecs_rate > 0) { + u32 tx_lpi_usec; + + tx_lpi_usec = (plat->eee_usecs_rate / 1000000) - 1; + writel(tx_lpi_usec, res.addr + GMAC_1US_TIC_COUNTER); + } + ret = stmmac_dvr_probe(&pdev->dev, plat, &res); if (ret) { pci_free_irq_vectors(pdev); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 220626a8d499..d833908b660a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -4757,6 +4757,7 @@ static void stmmac_napi_add(struct net_device *dev) ch->priv_data = priv; ch->index = queue; + spin_lock_init(&ch->lock); if (queue < priv->plat->rx_queues_to_use) { netif_napi_add(dev, &ch->rx_napi, stmmac_napi_poll_rx, diff --git a/include/uapi/linux/icmpv6.h b/include/uapi/linux/icmpv6.h index c1661febc2dc..0564fd7ccde4 100644 --- a/include/uapi/linux/icmpv6.h +++ b/include/uapi/linux/icmpv6.h @@ -138,6 +138,7 @@ struct icmp6hdr { #define ICMPV6_HDR_FIELD 0 #define ICMPV6_UNK_NEXTHDR 1 #define ICMPV6_UNK_OPTION 2 +#define ICMPV6_HDR_INCOMP 3 /* * constants for (set|get)sockopt diff --git a/net/atm/lec.c b/net/atm/lec.c index dbabb65d8b67..7226c784dbe0 100644 --- a/net/atm/lec.c +++ b/net/atm/lec.c @@ -954,9 +954,8 @@ static void *lec_seq_next(struct seq_file *seq, void *v, loff_t *pos) { struct lec_state *state = seq->private; - v = lec_get_idx(state, 1); - *pos += !!PTR_ERR(v); - return v; + ++*pos; + return lec_get_idx(state, 1); } static int lec_seq_show(struct seq_file *seq, void *v) diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index 8b04d1dcfec4..ee65c9225178 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -608,9 +608,6 @@ void ip_md_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, ttl = ip4_dst_hoplimit(&rt->dst); } - if (!df && skb->protocol == htons(ETH_P_IP)) - df = inner_iph->frag_off & htons(IP_DF); - headroom += LL_RESERVED_SPACE(rt->dst.dev) + rt->dst.header_len; if (headroom > dev->needed_headroom) dev->needed_headroom = headroom; diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index ec448b71bf9a..8956144ea65e 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -158,7 +158,13 @@ static bool is_ineligible(const struct sk_buff *skb) tp = skb_header_pointer(skb, ptr+offsetof(struct icmp6hdr, icmp6_type), sizeof(_type), &_type); - if (!tp || !(*tp & ICMPV6_INFOMSG_MASK)) + + /* Based on RFC 8200, Section 4.5 Fragment Header, return + * false if this is a fragment packet with no icmp header info. + */ + if (!tp && frag_off != 0) + return false; + else if (!tp || !(*tp & ICMPV6_INFOMSG_MASK)) return true; } return false; diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index a0217e5bf3bc..648db3fe508f 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1271,6 +1271,8 @@ route_lookup: if (max_headroom > dev->needed_headroom) dev->needed_headroom = max_headroom; + skb_set_inner_ipproto(skb, proto); + err = ip6_tnl_encap(skb, t, &proto, fl6); if (err) return err; @@ -1280,8 +1282,6 @@ route_lookup: ipv6_push_frag_opts(skb, &opt.ops, &proto); } - skb_set_inner_ipproto(skb, proto); - skb_push(skb, sizeof(struct ipv6hdr)); skb_reset_network_header(skb); ipv6h = ipv6_hdr(skb); diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index 1f5d4d196dcc..c8cf1bbad74a 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -42,6 +42,8 @@ #include <linux/skbuff.h> #include <linux/slab.h> #include <linux/export.h> +#include <linux/tcp.h> +#include <linux/udp.h> #include <net/sock.h> #include <net/snmp.h> @@ -322,7 +324,9 @@ static int ipv6_frag_rcv(struct sk_buff *skb) struct frag_queue *fq; const struct ipv6hdr *hdr = ipv6_hdr(skb); struct net *net = dev_net(skb_dst(skb)->dev); - int iif; + __be16 frag_off; + int iif, offset; + u8 nexthdr; if (IP6CB(skb)->flags & IP6SKB_FRAGMENTED) goto fail_hdr; @@ -351,6 +355,33 @@ static int ipv6_frag_rcv(struct sk_buff *skb) return 1; } + /* RFC 8200, Section 4.5 Fragment Header: + * If the first fragment does not include all headers through an + * Upper-Layer header, then that fragment should be discarded and + * an ICMP Parameter Problem, Code 3, message should be sent to + * the source of the fragment, with the Pointer field set to zero. + */ + nexthdr = hdr->nexthdr; + offset = ipv6_skip_exthdr(skb, skb_transport_offset(skb), &nexthdr, &frag_off); + if (offset >= 0) { + /* Check some common protocols' header */ + if (nexthdr == IPPROTO_TCP) + offset += sizeof(struct tcphdr); + else if (nexthdr == IPPROTO_UDP) + offset += sizeof(struct udphdr); + else if (nexthdr == IPPROTO_ICMPV6) + offset += sizeof(struct icmp6hdr); + else + offset += 1; + + if (!(frag_off & htons(IP6_OFFSET)) && offset > skb->len) { + __IP6_INC_STATS(net, __in6_dev_get_safely(skb->dev), + IPSTATS_MIB_INHDRERRORS); + icmpv6_param_prob(skb, ICMPV6_HDR_INCOMP, 0); + return -1; + } + } + iif = skb->dev ? skb->dev->ifindex : 0; fq = fq_find(net, fhdr->identification, hdr, iif); if (fq) { |