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author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2019-12-17 14:12:00 -0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2019-12-19 17:46:51 -0800 |
commit | 572c7245182a200e3ac69bb86a0e60cc34c34dc9 (patch) | |
tree | 21535c07cf3ca391bbf874e0aba2f82145b3935e /drivers/net/ethernet/netronome | |
parent | 8fb0d2ced9786f9267713e2aef6dc58b3ef93d62 (diff) | |
download | linux-stable-572c7245182a200e3ac69bb86a0e60cc34c34dc9.tar.gz linux-stable-572c7245182a200e3ac69bb86a0e60cc34c34dc9.tar.bz2 linux-stable-572c7245182a200e3ac69bb86a0e60cc34c34dc9.zip |
nfp: pass packet pointer to nfp_net_parse_meta()
Make nfp_net_parse_meta() take a packet pointer and return
a drop/no drop decision. Right now it returns the end of
metadata and caller compares it to the packet pointer.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome')
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index d4eeb3b3cf35..780bd1daa601 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -1661,9 +1661,9 @@ nfp_net_set_hash_desc(struct net_device *netdev, struct nfp_meta_parsed *meta, &rx_hash->hash); } -static void * +static bool nfp_net_parse_meta(struct net_device *netdev, struct nfp_meta_parsed *meta, - void *data, int meta_len) + void *data, void *pkt, int meta_len) { u32 meta_info; @@ -1694,13 +1694,13 @@ nfp_net_parse_meta(struct net_device *netdev, struct nfp_meta_parsed *meta, data += 4; break; default: - return NULL; + return true; } meta_info >>= NFP_NET_META_FIELD_SIZE; } - return data; + return data != pkt; } static void @@ -1885,12 +1885,10 @@ static int nfp_net_rx(struct nfp_net_rx_ring *rx_ring, int budget) nfp_net_set_hash_desc(dp->netdev, &meta, rxbuf->frag + meta_off, rxd); } else if (meta_len) { - void *end; - - end = nfp_net_parse_meta(dp->netdev, &meta, - rxbuf->frag + meta_off, - meta_len); - if (unlikely(end != rxbuf->frag + pkt_off)) { + if (unlikely(nfp_net_parse_meta(dp->netdev, &meta, + rxbuf->frag + meta_off, + rxbuf->frag + pkt_off, + meta_len))) { nn_dp_warn(dp, "invalid RX packet metadata\n"); nfp_net_rx_drop(dp, r_vec, rx_ring, rxbuf, NULL); |