diff options
author | Vikas Gupta <vikas.gupta@broadcom.com> | 2024-02-05 14:31:54 -0800 |
---|---|---|
committer | Jakub Kicinski <kuba@kernel.org> | 2024-02-09 12:37:41 -0800 |
commit | 9ba0e56199e3e31357ae18daec8b025fe96f26b6 (patch) | |
tree | e99a859a178024769ce27394d9b6ae8a153c836a | |
parent | c8d129c437f62738e8a750f75cb4896a2d0fea60 (diff) |
bnxt_en: Enhance ethtool ntuple support for ip flows besides TCP/UDP
Enable flow type ipv4/ipv6
1) for protocols ICMPV4 and ICMPV6.
2) for wildcard match. Wildcard matches to TCP/UDP/ICMP.
Note that, IPPROTO_RAW(255) i.e. a reserved protocol
considered for a wildcard.
Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://lore.kernel.org/r/20240205223202.25341-6-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 4 | ||||
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.h | 1 | ||||
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 124 | ||||
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h | 2 |
4 files changed, 113 insertions, 18 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 0d65d4574045..027e3601d761 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -8891,6 +8891,10 @@ static int bnxt_hwrm_cfa_adv_flow_mgnt_qcaps(struct bnxt *bp) CFA_ADV_FLOW_MGNT_QCAPS_RESP_FLAGS_RFS_RING_TBL_IDX_V2_SUPPORTED) bp->fw_cap |= BNXT_FW_CAP_CFA_RFS_RING_TBL_IDX_V2; + if (flags & + CFA_ADV_FLOW_MGNT_QCAPS_RESP_FLAGS_NTUPLE_FLOW_RX_EXT_IP_PROTO_SUPPORTED) + bp->fw_cap |= BNXT_FW_CAP_CFA_NTUPLE_RX_EXT_IP_PROTO; + hwrm_cfa_adv_qcaps_exit: hwrm_req_drop(bp, req); return rc; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index aae180fa63b7..16f18c70c7bb 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -2302,6 +2302,7 @@ struct bnxt { #define BNXT_FW_CAP_PRE_RESV_VNICS BIT_ULL(35) #define BNXT_FW_CAP_BACKING_STORE_V2 BIT_ULL(36) #define BNXT_FW_CAP_VNIC_TUNNEL_TPA BIT_ULL(37) + #define BNXT_FW_CAP_CFA_NTUPLE_RX_EXT_IP_PROTO BIT_ULL(38) u32 fw_dbg_cap; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 408a086f62ae..5a100aeb2b78 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -1130,28 +1130,50 @@ static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd) fkeys = &fltr->fkeys; fmasks = &fltr->fmasks; if (fkeys->basic.n_proto == htons(ETH_P_IP)) { - if (fkeys->basic.ip_proto == IPPROTO_TCP) + if (fkeys->basic.ip_proto == IPPROTO_ICMP || + fkeys->basic.ip_proto == IPPROTO_RAW) { + fs->flow_type = IP_USER_FLOW; + fs->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4; + if (fkeys->basic.ip_proto == IPPROTO_ICMP) + fs->h_u.usr_ip4_spec.proto = IPPROTO_ICMP; + else + fs->h_u.usr_ip4_spec.proto = IPPROTO_RAW; + fs->m_u.usr_ip4_spec.proto = BNXT_IP_PROTO_FULL_MASK; + } else if (fkeys->basic.ip_proto == IPPROTO_TCP) { fs->flow_type = TCP_V4_FLOW; - else if (fkeys->basic.ip_proto == IPPROTO_UDP) + } else if (fkeys->basic.ip_proto == IPPROTO_UDP) { fs->flow_type = UDP_V4_FLOW; - else + } else { goto fltr_err; + } fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src; fs->m_u.tcp_ip4_spec.ip4src = fmasks->addrs.v4addrs.src; fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst; fs->m_u.tcp_ip4_spec.ip4dst = fmasks->addrs.v4addrs.dst; - fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src; - fs->m_u.tcp_ip4_spec.psrc = fmasks->ports.src; - fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst; - fs->m_u.tcp_ip4_spec.pdst = fmasks->ports.dst; + if (fs->flow_type == TCP_V4_FLOW || + fs->flow_type == UDP_V4_FLOW) { + fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src; + fs->m_u.tcp_ip4_spec.psrc = fmasks->ports.src; + fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst; + fs->m_u.tcp_ip4_spec.pdst = fmasks->ports.dst; + } } else { - if (fkeys->basic.ip_proto == IPPROTO_TCP) + if (fkeys->basic.ip_proto == IPPROTO_ICMPV6 || + fkeys->basic.ip_proto == IPPROTO_RAW) { + fs->flow_type = IPV6_USER_FLOW; + if (fkeys->basic.ip_proto == IPPROTO_ICMPV6) + fs->h_u.usr_ip6_spec.l4_proto = IPPROTO_ICMPV6; + else + fs->h_u.usr_ip6_spec.l4_proto = IPPROTO_RAW; + fs->m_u.usr_ip6_spec.l4_proto = BNXT_IP_PROTO_FULL_MASK; + } else if (fkeys->basic.ip_proto == IPPROTO_TCP) { fs->flow_type = TCP_V6_FLOW; - else if (fkeys->basic.ip_proto == IPPROTO_UDP) + } else if (fkeys->basic.ip_proto == IPPROTO_UDP) { fs->flow_type = UDP_V6_FLOW; - else + } else { goto fltr_err; + } *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] = fkeys->addrs.v6addrs.src; @@ -1161,10 +1183,13 @@ static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd) fkeys->addrs.v6addrs.dst; *(struct in6_addr *)&fs->m_u.tcp_ip6_spec.ip6dst[0] = fmasks->addrs.v6addrs.dst; - fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src; - fs->m_u.tcp_ip6_spec.psrc = fmasks->ports.src; - fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst; - fs->m_u.tcp_ip6_spec.pdst = fmasks->ports.dst; + if (fs->flow_type == TCP_V6_FLOW || + fs->flow_type == UDP_V6_FLOW) { + fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src; + fs->m_u.tcp_ip6_spec.psrc = fmasks->ports.src; + fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst; + fs->m_u.tcp_ip6_spec.pdst = fmasks->ports.dst; + } } fs->ring_cookie = fltr->base.rxq; @@ -1228,6 +1253,28 @@ static int bnxt_add_l2_cls_rule(struct bnxt *bp, return rc; } +static bool bnxt_verify_ntuple_ip4_flow(struct ethtool_usrip4_spec *ip_spec, + struct ethtool_usrip4_spec *ip_mask) +{ + if (ip_mask->l4_4_bytes || ip_mask->tos || + ip_spec->ip_ver != ETH_RX_NFC_IP4 || + ip_mask->proto != BNXT_IP_PROTO_FULL_MASK || + (ip_spec->proto != IPPROTO_RAW && ip_spec->proto != IPPROTO_ICMP)) + return false; + return true; +} + +static bool bnxt_verify_ntuple_ip6_flow(struct ethtool_usrip6_spec *ip_spec, + struct ethtool_usrip6_spec *ip_mask) +{ + if (ip_mask->l4_4_bytes || ip_mask->tclass || + ip_mask->l4_proto != BNXT_IP_PROTO_FULL_MASK || + (ip_spec->l4_proto != IPPROTO_RAW && + ip_spec->l4_proto != IPPROTO_ICMPV6)) + return false; + return true; +} + static int bnxt_add_ntuple_cls_rule(struct bnxt *bp, struct ethtool_rx_flow_spec *fs) { @@ -1247,6 +1294,18 @@ static int bnxt_add_ntuple_cls_rule(struct bnxt *bp, if ((flow_type & (FLOW_MAC_EXT | FLOW_EXT)) || vf) return -EOPNOTSUPP; + if (flow_type == IP_USER_FLOW) { + if (!bnxt_verify_ntuple_ip4_flow(&fs->h_u.usr_ip4_spec, + &fs->m_u.usr_ip4_spec)) + return -EOPNOTSUPP; + } + + if (flow_type == IPV6_USER_FLOW) { + if (!bnxt_verify_ntuple_ip6_flow(&fs->h_u.usr_ip6_spec, + &fs->m_u.usr_ip6_spec)) + return -EOPNOTSUPP; + } + new_fltr = kzalloc(sizeof(*new_fltr), GFP_KERNEL); if (!new_fltr) return -ENOMEM; @@ -1259,6 +1318,18 @@ static int bnxt_add_ntuple_cls_rule(struct bnxt *bp, rc = -EOPNOTSUPP; switch (flow_type) { + case IP_USER_FLOW: { + struct ethtool_usrip4_spec *ip_spec = &fs->h_u.usr_ip4_spec; + struct ethtool_usrip4_spec *ip_mask = &fs->m_u.usr_ip4_spec; + + fkeys->basic.ip_proto = ip_spec->proto; + fkeys->basic.n_proto = htons(ETH_P_IP); + fkeys->addrs.v4addrs.src = ip_spec->ip4src; + fmasks->addrs.v4addrs.src = ip_mask->ip4src; + fkeys->addrs.v4addrs.dst = ip_spec->ip4dst; + fmasks->addrs.v4addrs.dst = ip_mask->ip4dst; + break; + } case TCP_V4_FLOW: case UDP_V4_FLOW: { struct ethtool_tcpip4_spec *ip_spec = &fs->h_u.tcp_ip4_spec; @@ -1278,6 +1349,18 @@ static int bnxt_add_ntuple_cls_rule(struct bnxt *bp, fmasks->ports.dst = ip_mask->pdst; break; } + case IPV6_USER_FLOW: { + struct ethtool_usrip6_spec *ip_spec = &fs->h_u.usr_ip6_spec; + struct ethtool_usrip6_spec *ip_mask = &fs->m_u.usr_ip6_spec; + + fkeys->basic.ip_proto = ip_spec->l4_proto; + fkeys->basic.n_proto = htons(ETH_P_IPV6); + fkeys->addrs.v6addrs.src = *(struct in6_addr *)&ip_spec->ip6src; + fmasks->addrs.v6addrs.src = *(struct in6_addr *)&ip_mask->ip6src; + fkeys->addrs.v6addrs.dst = *(struct in6_addr *)&ip_spec->ip6dst; + fmasks->addrs.v6addrs.dst = *(struct in6_addr *)&ip_mask->ip6dst; + break; + } case TCP_V6_FLOW: case UDP_V6_FLOW: { struct ethtool_tcpip6_spec *ip_spec = &fs->h_u.tcp_ip6_spec; @@ -1349,6 +1432,15 @@ static int bnxt_srxclsrlins(struct bnxt *bp, struct ethtool_rxnfc *cmd) if (fs->location != RX_CLS_LOC_ANY) return -EINVAL; + flow_type = fs->flow_type; + if ((flow_type == IP_USER_FLOW || + flow_type == IPV6_USER_FLOW) && + !(bp->fw_cap & BNXT_FW_CAP_CFA_NTUPLE_RX_EXT_IP_PROTO)) + return -EOPNOTSUPP; + if (flow_type & (FLOW_MAC_EXT | FLOW_RSS)) + return -EINVAL; + flow_type &= ~FLOW_EXT; + ring = ethtool_get_flow_spec_ring(fs->ring_cookie); vf = ethtool_get_flow_spec_ring_vf(fs->ring_cookie); if (BNXT_VF(bp) && vf) @@ -1358,10 +1450,6 @@ static int bnxt_srxclsrlins(struct bnxt *bp, struct ethtool_rxnfc *cmd) if (!vf && ring >= bp->rx_nr_rings) return -EINVAL; - flow_type = fs->flow_type; - if (flow_type & (FLOW_MAC_EXT | FLOW_RSS)) - return -EINVAL; - flow_type &= ~FLOW_EXT; if (flow_type == ETHER_FLOW) rc = bnxt_add_l2_cls_rule(bp, fs); else diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h index 0ea0f4a36a04..e2ee030237d4 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h @@ -43,6 +43,8 @@ struct bnxt_led_cfg { #define BNXT_PXP_REG_LEN 0x3110 +#define BNXT_IP_PROTO_FULL_MASK 0xFF + extern const struct ethtool_ops bnxt_ethtool_ops; u32 bnxt_get_rxfh_indir_size(struct net_device *dev); 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