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bnxt_en: Add drop action support for ntuple

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Add drop action for protocols TCP/UDP/ICMP
1) Drop action for TCP/UDP is supported via flow type
   tcp4/udp4/tcp6/udp6.
2) Drop action for ICMPV4/ICMPV6/wildcard is supported
   via flow type ipv4/ipv6.

Reviewed-by: Andy Gospodarek <andrew.gospodarek@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/20240205223202.25341-7-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Vikas Gupta 2024-02-05 14:31:55 -08:00 • committed by Jakub Kicinski
parent 9ba0e56199
commit 7efd79c0e6
2 changed files with 14 additions and 4 deletions
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5
drivers/net/ethernet/broadcom/bnxt/bnxt.c
View file

@ -5747,8 +5747,9 @@ int bnxt_hwrm_cfa_ntuple_filter_alloc(struct bnxt *bp,
l2_fltr = fltr->l2_fltr;
req->l2_filter_id = l2_fltr->base.filter_id;
if (bp->fw_cap & BNXT_FW_CAP_CFA_RFS_RING_TBL_IDX_V2) {
if (fltr->base.flags & BNXT_ACT_DROP) {
flags = CFA_NTUPLE_FILTER_ALLOC_REQ_FLAGS_DROP;
} else if (bp->fw_cap & BNXT_FW_CAP_CFA_RFS_RING_TBL_IDX_V2) {
flags = CFA_NTUPLE_FILTER_ALLOC_REQ_FLAGS_DEST_RFS_RING_IDX;
req->dst_id = cpu_to_le16(fltr->base.rxq);
} else {

13
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
View file

@ -1192,7 +1192,10 @@ static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
}
}
fs->ring_cookie = fltr->base.rxq;
if (fltr->base.flags & BNXT_ACT_DROP)
fs->ring_cookie = RX_CLS_FLOW_DISC;
else
fs->ring_cookie = fltr->base.rxq;
rc = 0;
fltr_err:
@ -1398,8 +1401,11 @@ static int bnxt_add_ntuple_cls_rule(struct bnxt *bp,
}
rcu_read_unlock();
new_fltr->base.rxq = ring;
new_fltr->base.flags = BNXT_ACT_NO_AGING;
if (fs->ring_cookie == RX_CLS_FLOW_DISC)
new_fltr->base.flags |= BNXT_ACT_DROP;
else
new_fltr->base.rxq = ring;
__set_bit(BNXT_FLTR_VALID, &new_fltr->base.state);
rc = bnxt_insert_ntp_filter(bp, new_fltr, idx);
if (!rc) {
@ -1441,6 +1447,9 @@ static int bnxt_srxclsrlins(struct bnxt *bp, struct ethtool_rxnfc *cmd)
return -EINVAL;
flow_type &= ~FLOW_EXT;
if (fs->ring_cookie == RX_CLS_FLOW_DISC && flow_type != ETHER_FLOW)
return bnxt_add_ntuple_cls_rule(bp, fs);
ring = ethtool_get_flow_spec_ring(fs->ring_cookie);
vf = ethtool_get_flow_spec_ring_vf(fs->ring_cookie);
if (BNXT_VF(bp) && vf)