diff options
| author | Andy Gospodarek <gospo@broadcom.com> | 2022-04-08 10:59:06 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-04-08 13:52:48 +0300 |
| commit | 9f4b28301ce6a594a692a0abc2002d0bb912f2b7 (patch) | |
| tree | fa39786288b0330c66f529d598c8a46d424b73e4 /drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c | |
| parent | a7559bc8c17c3f9a91dcbeefe8642ba757fd09e8 (diff) | |
| download | linux-9f4b28301ce6a594a692a0abc2002d0bb912f2b7.tar.xz | |
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/bnxt_xdp.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c | 5 |
1 files changed, 3 insertions, 2 deletions
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; } |