[v3,1/4] net/axgbe: fix scattered Rx
Checks
Commit Message
Error check needs to be done only for last segment of Jumbo packet.
Freed first_seg and reset eop to 0 in error case
Fixes: 965b3127d425 ("net/axgbe: support scattered Rx")
Cc: stable@dpdk.org
Signed-off-by: Bhagyada Modali <bhagyada.modali@amd.com>
---
v2:
* removed the extra paranthesis
* initialised the variables
* updated the commit logs
---
drivers/net/axgbe/axgbe_rxtx.c | 35 +++++++++++++++++++---------------
1 file changed, 20 insertions(+), 15 deletions(-)
Comments
[Public]
Acked-by: Chandubabu Namburu <chandu@amd.com>
-----Original Message-----
From: Modali, Bhagyada <Bhagyada.Modali@amd.com>
Sent: Friday, September 2, 2022 2:18 PM
To: Namburu, Chandu-babu <chandu@amd.com>; Yigit, Ferruh <Ferruh.Yigit@amd.com>
Cc: dev@dpdk.org; stable@dpdk.org; Modali, Bhagyada <Bhagyada.Modali@amd.com>
Subject: [PATCH v3 1/4] net/axgbe: fix scattered Rx
Error check needs to be done only for last segment of Jumbo packet.
Freed first_seg and reset eop to 0 in error case
Fixes: 965b3127d425 ("net/axgbe: support scattered Rx")
Cc: stable@dpdk.org
Signed-off-by: Bhagyada Modali <bhagyada.modali@amd.com>
---
v2:
* removed the extra paranthesis
* initialised the variables
* updated the commit logs
---
drivers/net/axgbe/axgbe_rxtx.c | 35 +++++++++++++++++++---------------
1 file changed, 20 insertions(+), 15 deletions(-)
diff --git a/drivers/net/axgbe/axgbe_rxtx.c b/drivers/net/axgbe/axgbe_rxtx.c index f38bb64fab..89ed6fd74a 100644
--- a/drivers/net/axgbe/axgbe_rxtx.c
+++ b/drivers/net/axgbe/axgbe_rxtx.c
@@ -343,8 +343,8 @@ uint16_t eth_axgbe_recv_scattered_pkts(void *rx_queue,
uint64_t old_dirty = rxq->dirty;
struct rte_mbuf *first_seg = NULL;
struct rte_mbuf *mbuf, *tmbuf;
- unsigned int err, etlt;
- uint32_t error_status;
+ unsigned int err = 0, etlt;
+ uint32_t error_status = 0;
uint16_t idx, pidx, data_len = 0, pkt_len = 0;
uint64_t offloads;
@@ -381,19 +381,6 @@ uint16_t eth_axgbe_recv_scattered_pkts(void *rx_queue,
}
mbuf = rxq->sw_ring[idx];
- /* Check for any errors and free mbuf*/
- err = AXGMAC_GET_BITS_LE(desc->write.desc3,
- RX_NORMAL_DESC3, ES);
- error_status = 0;
- if (unlikely(err)) {
- error_status = desc->write.desc3 & AXGBE_ERR_STATUS;
- if ((error_status != AXGBE_L3_CSUM_ERR)
- && (error_status != AXGBE_L4_CSUM_ERR)) {
- rxq->errors++;
- rte_pktmbuf_free(mbuf);
- goto err_set;
- }
- }
rte_prefetch1(rte_pktmbuf_mtod(mbuf, void *));
if (!AXGMAC_GET_BITS_LE(desc->write.desc3,
@@ -406,6 +393,24 @@ uint16_t eth_axgbe_recv_scattered_pkts(void *rx_queue,
pkt_len = AXGMAC_GET_BITS_LE(desc->write.desc3,
RX_NORMAL_DESC3, PL);
data_len = pkt_len - rxq->crc_len;
+ /* Check for any errors and free mbuf*/
+ err = AXGMAC_GET_BITS_LE(desc->write.desc3,
+ RX_NORMAL_DESC3, ES);
+ error_status = 0;
+ if (unlikely(err)) {
+ error_status = desc->write.desc3 &
+ AXGBE_ERR_STATUS;
+ if (error_status != AXGBE_L3_CSUM_ERR &&
+ error_status != AXGBE_L4_CSUM_ERR) {
+ rxq->errors++;
+ rte_pktmbuf_free(mbuf);
+ rte_pktmbuf_free(first_seg);
+ first_seg = NULL;
+ eop = 0;
+ goto err_set;
+ }
+ }
+
}
if (first_seg != NULL) {
--
2.25.1
On 9/5/2022 6:00 AM, Namburu, Chandu-babu wrote:
> -----Original Message-----
> From: Modali, Bhagyada <Bhagyada.Modali@amd.com>
> Sent: Friday, September 2, 2022 2:18 PM
> To: Namburu, Chandu-babu <chandu@amd.com>; Yigit, Ferruh <Ferruh.Yigit@amd.com>
> Cc: dev@dpdk.org; stable@dpdk.org; Modali, Bhagyada <Bhagyada.Modali@amd.com>
> Subject: [PATCH v3 1/4] net/axgbe: fix scattered Rx
>
> Error check needs to be done only for last segment of Jumbo packet.
> Freed first_seg and reset eop to 0 in error case
>
> Fixes: 965b3127d425 ("net/axgbe: support scattered Rx")
> Cc: stable@dpdk.org
>
> Signed-off-by: Bhagyada Modali <bhagyada.modali@amd.com>
>
> Acked-by: Chandubabu Namburu <chandu@amd.com>
>
Series applied to dpdk-next-net/main, thanks.
@@ -343,8 +343,8 @@ uint16_t eth_axgbe_recv_scattered_pkts(void *rx_queue,
uint64_t old_dirty = rxq->dirty;
struct rte_mbuf *first_seg = NULL;
struct rte_mbuf *mbuf, *tmbuf;
- unsigned int err, etlt;
- uint32_t error_status;
+ unsigned int err = 0, etlt;
+ uint32_t error_status = 0;
uint16_t idx, pidx, data_len = 0, pkt_len = 0;
uint64_t offloads;
@@ -381,19 +381,6 @@ uint16_t eth_axgbe_recv_scattered_pkts(void *rx_queue,
}
mbuf = rxq->sw_ring[idx];
- /* Check for any errors and free mbuf*/
- err = AXGMAC_GET_BITS_LE(desc->write.desc3,
- RX_NORMAL_DESC3, ES);
- error_status = 0;
- if (unlikely(err)) {
- error_status = desc->write.desc3 & AXGBE_ERR_STATUS;
- if ((error_status != AXGBE_L3_CSUM_ERR)
- && (error_status != AXGBE_L4_CSUM_ERR)) {
- rxq->errors++;
- rte_pktmbuf_free(mbuf);
- goto err_set;
- }
- }
rte_prefetch1(rte_pktmbuf_mtod(mbuf, void *));
if (!AXGMAC_GET_BITS_LE(desc->write.desc3,
@@ -406,6 +393,24 @@ uint16_t eth_axgbe_recv_scattered_pkts(void *rx_queue,
pkt_len = AXGMAC_GET_BITS_LE(desc->write.desc3,
RX_NORMAL_DESC3, PL);
data_len = pkt_len - rxq->crc_len;
+ /* Check for any errors and free mbuf*/
+ err = AXGMAC_GET_BITS_LE(desc->write.desc3,
+ RX_NORMAL_DESC3, ES);
+ error_status = 0;
+ if (unlikely(err)) {
+ error_status = desc->write.desc3 &
+ AXGBE_ERR_STATUS;
+ if (error_status != AXGBE_L3_CSUM_ERR &&
+ error_status != AXGBE_L4_CSUM_ERR) {
+ rxq->errors++;
+ rte_pktmbuf_free(mbuf);
+ rte_pktmbuf_free(first_seg);
+ first_seg = NULL;
+ eop = 0;
+ goto err_set;
+ }
+ }
+
}
if (first_seg != NULL) {