diff options
| author |   Andy Gospodarek <gospo@broadcom.com> | 2022-04-08 03:59:06 -0400 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2022-04-08 11:52:48 +0100 |
| commit | 9f4b28301ce6a594a692a0abc2002d0bb912f2b7 (patch) | |
| tree | fa39786288b0330c66f529d598c8a46d424b73e4 /drivers/net/ethernet/broadcom/bnxt | |
| parent | bnxt: support transmit and free of aggregation buffers (diff) | |
| download | linux-dev-9f4b28301ce6a594a692a0abc2002d0bb912f2b7.tar.xz linux-dev-9f4b28301ce6a594a692a0abc2002d0bb912f2b7.zip | |
bnxt: XDP multibuffer enablement
Allow aggregation buffers to be in place in the receive path and
allow XDP programs to be attached when using a larger than 4k MTU.
v3: Add a check to sure XDP program supports multipage packets.
Signed-off-by: Andy Gospodarek <gospo@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c | 5 |
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 25d74c9030fd..0489c1c2e7dd 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -1939,8 +1939,7 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, xdp_active = true; } - /* skip running XDP prog if there are aggregation bufs */ - if (!agg_bufs && xdp_active) { + if (xdp_active) { if (bnxt_rx_xdp(bp, rxr, cons, xdp, data, &len, event)) { rc = 1; goto next_rx; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c index c2905f0a8c6c..f02fe906dedb 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c @@ -387,8 +387,9 @@ static int bnxt_xdp_set(struct bnxt *bp, struct bpf_prog *prog) int tx_xdp = 0, rc, tc; struct bpf_prog *old; - if (prog && bp->dev->mtu > BNXT_MAX_PAGE_MODE_MTU) { - netdev_warn(dev, "MTU %d larger than largest XDP supported MTU %d.\n", + if (prog && !prog->aux->xdp_has_frags && + bp->dev->mtu > BNXT_MAX_PAGE_MODE_MTU) { + netdev_warn(dev, "MTU %d larger than %d without XDP frag support.\n", bp->dev->mtu, BNXT_MAX_PAGE_MODE_MTU); return -EOPNOTSUPP; } |