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bnxt_en: Add IPV6 hardware RFS support.

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Accept ipv6 flows in .ndo_rx_flow_steer() and support ETHTOOL_GRXCLSRULE
ipv6 flows.

Signed-off-by: Michael Chan <michael.chan@broadocm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2016-12-29 12:13:40 -05:00 • committed by David S. Miller
parent 8427af811a
commit dda0e7465f
2 changed files with 66 additions and 19 deletions
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32
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View file

@ -3316,10 +3316,26 @@ static int bnxt_hwrm_cfa_ntuple_filter_alloc(struct bnxt *bp,
req.ip_addr_type = CFA_NTUPLE_FILTER_ALLOC_REQ_IP_ADDR_TYPE_IPV4;
req.ip_protocol = keys->basic.ip_proto;
req.src_ipaddr[0] = keys->addrs.v4addrs.src;
req.src_ipaddr_mask[0] = cpu_to_be32(0xffffffff);
req.dst_ipaddr[0] = keys->addrs.v4addrs.dst;
req.dst_ipaddr_mask[0] = cpu_to_be32(0xffffffff);
if (keys->basic.n_proto == htons(ETH_P_IPV6)) {
int i;
req.ethertype = htons(ETH_P_IPV6);
req.ip_addr_type =
CFA_NTUPLE_FILTER_ALLOC_REQ_IP_ADDR_TYPE_IPV6;
*(struct in6_addr *)&req.src_ipaddr[0] =
keys->addrs.v6addrs.src;
*(struct in6_addr *)&req.dst_ipaddr[0] =
keys->addrs.v6addrs.dst;
for (i = 0; i < 4; i++) {
req.src_ipaddr_mask[i] = cpu_to_be32(0xffffffff);
req.dst_ipaddr_mask[i] = cpu_to_be32(0xffffffff);
}
} else {
req.src_ipaddr[0] = keys->addrs.v4addrs.src;
req.src_ipaddr_mask[0] = cpu_to_be32(0xffffffff);
req.dst_ipaddr[0] = keys->addrs.v4addrs.dst;
req.dst_ipaddr_mask[0] = cpu_to_be32(0xffffffff);
}
req.src_port = keys->ports.src;
req.src_port_mask = cpu_to_be16(0xffff);
@ -6588,12 +6604,18 @@ static int bnxt_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
goto err_free;
}
if ((fkeys->basic.n_proto != htons(ETH_P_IP)) ||
if ((fkeys->basic.n_proto != htons(ETH_P_IP) &&
fkeys->basic.n_proto != htons(ETH_P_IPV6)) ||
((fkeys->basic.ip_proto != IPPROTO_TCP) &&
(fkeys->basic.ip_proto != IPPROTO_UDP))) {
rc = -EPROTONOSUPPORT;
goto err_free;
}
if (fkeys->basic.n_proto == htons(ETH_P_IPV6) &&
bp->hwrm_spec_code < 0x10601) {
rc = -EPROTONOSUPPORT;
goto err_free;
}
memcpy(new_fltr->dst_mac_addr, eth->h_dest, ETH_ALEN);
memcpy(new_fltr->src_mac_addr, eth->h_source, ETH_ALEN);

53
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
View file

@ -524,24 +524,49 @@ static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
fltr_found:
fkeys = &fltr->fkeys;
if (fkeys->basic.ip_proto == IPPROTO_TCP)
fs->flow_type = TCP_V4_FLOW;
else if (fkeys->basic.ip_proto == IPPROTO_UDP)
fs->flow_type = UDP_V4_FLOW;
else
goto fltr_err;
if (fkeys->basic.n_proto == htons(ETH_P_IP)) {
if (fkeys->basic.ip_proto == IPPROTO_TCP)
fs->flow_type = TCP_V4_FLOW;
else if (fkeys->basic.ip_proto == IPPROTO_UDP)
fs->flow_type = UDP_V4_FLOW;
else
goto fltr_err;
fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
} else {
int i;
if (fkeys->basic.ip_proto == IPPROTO_TCP)
fs->flow_type = TCP_V6_FLOW;
else if (fkeys->basic.ip_proto == IPPROTO_UDP)
fs->flow_type = UDP_V6_FLOW;
else
goto fltr_err;
*(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] =
fkeys->addrs.v6addrs.src;
*(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] =
fkeys->addrs.v6addrs.dst;
for (i = 0; i < 4; i++) {
fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0);
fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0);
}
fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src;
fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0);
fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst;
fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0);
}
fs->ring_cookie = fltr->rxq;
rc = 0;