diff options
| author | Hariprasad Shenai <hariprasad@chelsio.com> | 2015-12-09 14:46:35 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-12-12 04:15:23 +0300 |
| commit | eb72f74f03125a3a80fb98f41e5aba55cad70c8c (patch) | |
| tree | f5cc42a36e753a6687245fa64d9f542c9f4fbbac /drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c | |
| parent | 515123e286b686d32256342318f20ff932ebac1b (diff) | |
| download | linux-eb72f74f03125a3a80fb98f41e5aba55cad70c8c.tar.xz | |
cxgb4: Handle clip return values
Add a warn message when clip table overflows. If clip table isn't
allocated, return from cxgb4_clip_release() to avoid panic.
Disable offload if clip isn't enabled in the hardware.
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c b/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c index c308429dd9c7..d288dcf6062f 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c +++ b/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c @@ -118,6 +118,11 @@ int cxgb4_clip_get(const struct net_device *dev, const u32 *lip, u8 v6) ret = clip6_get_mbox(dev, (const struct in6_addr *)lip); if (ret) { write_unlock_bh(&ctbl->lock); + dev_err(adap->pdev_dev, + "CLIP FW cmd failed with error %d, " + "Connections using %pI6c wont be " + "offloaded", + ret, ce->addr6.sin6_addr.s6_addr); return ret; } } else { @@ -127,6 +132,9 @@ int cxgb4_clip_get(const struct net_device *dev, const u32 *lip, u8 v6) } } else { write_unlock_bh(&ctbl->lock); + dev_info(adap->pdev_dev, "CLIP table overflow, " + "Connections using %pI6c wont be offloaded", + (void *)lip); return -ENOMEM; } write_unlock_bh(&ctbl->lock); @@ -146,6 +154,9 @@ void cxgb4_clip_release(const struct net_device *dev, const u32 *lip, u8 v6) int hash; int ret = -1; + if (!ctbl) + return; + hash = clip_addr_hash(ctbl, addr, v6); read_lock_bh(&ctbl->lock); |