diff options
| author |   Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2019-07-04 10:40:06 +0200 |
|---|---|---|
| committer | Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2019-07-04 10:48:05 +0200 |
| commit | 8d53e9f3c6001dcb2865f6e894da5b54e1418f88 (patch) | |
| tree | 63907f21c13636a987d43463c675d0727a04e327 /drivers/net/sfc/sfc_tso.c | |
| parent | e2bea7436061ca2e7e14bfcfdc5870f2555c3965 (diff) | |
New upstream version 18.11.2upstream-18.11-stable
Change-Id: I23eb4f9179abf1f9c659891f8fddb27ee68ad26b
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'drivers/net/sfc/sfc_tso.c')
| -rw-r--r-- | drivers/net/sfc/sfc_tso.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/sfc/sfc_tso.c b/drivers/net/sfc/sfc_tso.c index 076a25d4..a28af0e7 100644 --- a/drivers/net/sfc/sfc_tso.c +++ b/drivers/net/sfc/sfc_tso.c @@ -107,10 +107,6 @@ sfc_efx_tso_do(struct sfc_efx_txq *txq, unsigned int idx, idx += SFC_TSO_OPT_DESCS_NUM; - /* Packets which have too big headers should be discarded */ - if (unlikely(header_len > SFC_TSOH_STD_LEN)) - return EMSGSIZE; - /* * The TCP header must start at most 208 bytes into the frame. * If it starts later than this then the NIC won't realise @@ -129,6 +125,13 @@ sfc_efx_tso_do(struct sfc_efx_txq *txq, unsigned int idx, * limitations on address boundaries crossing by DMA descriptor data. */ if (m->data_len < header_len) { + /* + * Discard a packet if header linearization is needed but + * the header is too big. + */ + if (unlikely(header_len > SFC_TSOH_STD_LEN)) + return EMSGSIZE; + tsoh = txq->sw_ring[idx & txq->ptr_mask].tsoh; sfc_tso_prepare_header(tsoh, header_len, in_seg, in_off); |