diff options
| author | Subbaraya Sundeep <sbhatta@marvell.com> | 2021-10-10 13:09:35 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-10-10 13:46:54 +0300 |
| commit | 0182d0788cd66292cb1698b48dd21887d93c68ed (patch) | |
| tree | a53197977f48295215c05a2dd69a5ff6acc16319 /drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h | |
| parent | b9c56ccb436d1e952bb1fc0ddf752669a116b310 (diff) | |
| download | linux-0182d0788cd66292cb1698b48dd21887d93c68ed.tar.xz | |
octeontx2-pf: Simplify the receive buffer size calculation
This patch separates the logic of configuring hardware
maximum transmit frame size and receive frame size.
This simplifies the logic to calculate receive buffer
size and using cqe descriptor of different size.
Also additional size of skb_shared_info structure is
allocated for each receive buffer pointer given to
hardware which is not necessary. Hence change the
size calculation to remove the size of
skb_shared_info. Add a check for array out of
bounds while adding fragments to the network stack.
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h index 5c05774a8d05..f1a04cf9210c 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h @@ -39,9 +39,7 @@ #define RCV_FRAG_LEN(x) \ ((RCV_FRAG_LEN1(x) < 2048) ? 2048 : RCV_FRAG_LEN1(x)) -#define DMA_BUFFER_LEN(x) \ - ((x) - OTX2_HEAD_ROOM - \ - OTX2_DATA_ALIGN(sizeof(struct skb_shared_info))) +#define DMA_BUFFER_LEN(x) ((x) - OTX2_HEAD_ROOM) /* IRQ triggered when NIX_LF_CINTX_CNT[ECOUNT] * is equal to this value. |