[dpdk-dev] [PATCH v2 2/2] drivers/net: fix removing jumbo offload flag
Ferruh Yigit
ferruh.yigit at intel.com
Fri Oct 22 14:57:15 CEST 2021
After DEV_RX_OFFLOAD_JUMBO_FRAME flag removed, drivers give jumbo frame
decisions based on MTU value checks, but some of the checks were wrong
by mistake, causing device initialization to fail, fixing them.
Fixes: b563c1421282 ("ethdev: remove jumbo offload flag")
Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
---
Some of the check mistakes are residue of local changes, I remember
fixing them, but it looks like something went wrong while sending
patches.
v2:
* Split doc changes
---
drivers/net/e1000/igb_rxtx.c | 2 +-
drivers/net/i40e/i40e_rxtx.c | 27 +++++++--------------------
drivers/net/iavf/iavf_ethdev.c | 31 ++++++++-----------------------
drivers/net/ice/ice_dcf_ethdev.c | 31 ++++++++-----------------------
drivers/net/ice/ice_rxtx.c | 27 +++++++--------------------
drivers/net/igc/igc_txrx.c | 2 +-
drivers/net/ixgbe/ixgbe_rxtx.c | 2 +-
7 files changed, 33 insertions(+), 89 deletions(-)
diff --git a/drivers/net/e1000/igb_rxtx.c b/drivers/net/e1000/igb_rxtx.c
index a1d5eecc14a1..5ee65a563dd6 100644
--- a/drivers/net/e1000/igb_rxtx.c
+++ b/drivers/net/e1000/igb_rxtx.c
@@ -2331,7 +2331,7 @@ eth_igb_rx_init(struct rte_eth_dev *dev)
* Configure support of jumbo frames, if any.
*/
max_len = dev->data->mtu + E1000_ETH_OVERHEAD;
- if ((dev->data->mtu & RTE_ETHER_MTU) != 0) {
+ if (dev->data->mtu > RTE_ETHER_MTU) {
rctl |= E1000_RCTL_LPE;
/*
diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index 554b1142c136..fd066e8b236e 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -2901,26 +2901,13 @@ i40e_rx_queue_config(struct i40e_rx_queue *rxq)
rxq->max_pkt_len =
RTE_MIN(hw->func_caps.rx_buf_chain_len * rxq->rx_buf_len,
data->mtu + I40E_ETH_OVERHEAD);
- if (data->mtu > RTE_ETHER_MTU) {
- if (rxq->max_pkt_len <= I40E_ETH_MAX_LEN ||
- rxq->max_pkt_len > I40E_FRAME_SIZE_MAX) {
- PMD_DRV_LOG(ERR, "maximum packet length must "
- "be larger than %u and smaller than %u,"
- "as jumbo frame is enabled",
- (uint32_t)I40E_ETH_MAX_LEN,
- (uint32_t)I40E_FRAME_SIZE_MAX);
- return I40E_ERR_CONFIG;
- }
- } else {
- if (rxq->max_pkt_len < RTE_ETHER_MIN_LEN ||
- rxq->max_pkt_len > I40E_ETH_MAX_LEN) {
- PMD_DRV_LOG(ERR, "maximum packet length must be "
- "larger than %u and smaller than %u, "
- "as jumbo frame is disabled",
- (uint32_t)RTE_ETHER_MIN_LEN,
- (uint32_t)I40E_ETH_MAX_LEN);
- return I40E_ERR_CONFIG;
- }
+ if (rxq->max_pkt_len < RTE_ETHER_MIN_LEN ||
+ rxq->max_pkt_len > I40E_FRAME_SIZE_MAX) {
+ PMD_DRV_LOG(ERR, "maximum packet length must be "
+ "larger than %u and smaller than %u",
+ (uint32_t)RTE_ETHER_MIN_LEN,
+ (uint32_t)I40E_FRAME_SIZE_MAX);
+ return I40E_ERR_CONFIG;
}
return 0;
diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c
index 611f1f7722b0..74fc3c647710 100644
--- a/drivers/net/iavf/iavf_ethdev.c
+++ b/drivers/net/iavf/iavf_ethdev.c
@@ -585,29 +585,14 @@ iavf_init_rxq(struct rte_eth_dev *dev, struct iavf_rx_queue *rxq)
rxq->rx_buf_len * IAVF_MAX_CHAINED_RX_BUFFERS,
frame_size);
- /* Check if the jumbo frame and maximum packet length are set
- * correctly.
- */
- if (dev->data->mtu & RTE_ETHER_MTU) {
- if (max_pkt_len <= IAVF_ETH_MAX_LEN ||
- max_pkt_len > IAVF_FRAME_SIZE_MAX) {
- PMD_DRV_LOG(ERR, "maximum packet length must be "
- "larger than %u and smaller than %u, "
- "as jumbo frame is enabled",
- (uint32_t)IAVF_ETH_MAX_LEN,
- (uint32_t)IAVF_FRAME_SIZE_MAX);
- return -EINVAL;
- }
- } else {
- if (max_pkt_len < RTE_ETHER_MIN_LEN ||
- max_pkt_len > IAVF_ETH_MAX_LEN) {
- PMD_DRV_LOG(ERR, "maximum packet length must be "
- "larger than %u and smaller than %u, "
- "as jumbo frame is disabled",
- (uint32_t)RTE_ETHER_MIN_LEN,
- (uint32_t)IAVF_ETH_MAX_LEN);
- return -EINVAL;
- }
+ /* Check if maximum packet length is set correctly. */
+ if (max_pkt_len <= RTE_ETHER_MIN_LEN ||
+ max_pkt_len > IAVF_FRAME_SIZE_MAX) {
+ PMD_DRV_LOG(ERR, "maximum packet length must be "
+ "larger than %u and smaller than %u",
+ (uint32_t)IAVF_ETH_MAX_LEN,
+ (uint32_t)IAVF_FRAME_SIZE_MAX);
+ return -EINVAL;
}
rxq->max_pkt_len = max_pkt_len;
diff --git a/drivers/net/ice/ice_dcf_ethdev.c b/drivers/net/ice/ice_dcf_ethdev.c
index ebd8ca57ef5f..a5904a7777ab 100644
--- a/drivers/net/ice/ice_dcf_ethdev.c
+++ b/drivers/net/ice/ice_dcf_ethdev.c
@@ -69,29 +69,14 @@ ice_dcf_init_rxq(struct rte_eth_dev *dev, struct ice_rx_queue *rxq)
max_pkt_len = RTE_MIN(ICE_SUPPORT_CHAIN_NUM * rxq->rx_buf_len,
dev->data->mtu + ICE_ETH_OVERHEAD);
- /* Check if the jumbo frame and maximum packet length are set
- * correctly.
- */
- if (dev_data->mtu > RTE_ETHER_MTU) {
- if (max_pkt_len <= ICE_ETH_MAX_LEN ||
- max_pkt_len > ICE_FRAME_SIZE_MAX) {
- PMD_DRV_LOG(ERR, "maximum packet length must be "
- "larger than %u and smaller than %u, "
- "as jumbo frame is enabled",
- (uint32_t)ICE_ETH_MAX_LEN,
- (uint32_t)ICE_FRAME_SIZE_MAX);
- return -EINVAL;
- }
- } else {
- if (max_pkt_len < RTE_ETHER_MIN_LEN ||
- max_pkt_len > ICE_ETH_MAX_LEN) {
- PMD_DRV_LOG(ERR, "maximum packet length must be "
- "larger than %u and smaller than %u, "
- "as jumbo frame is disabled",
- (uint32_t)RTE_ETHER_MIN_LEN,
- (uint32_t)ICE_ETH_MAX_LEN);
- return -EINVAL;
- }
+ /* Check maximum packet length is set correctly. */
+ if (max_pkt_len <= RTE_ETHER_MIN_LEN ||
+ max_pkt_len > ICE_FRAME_SIZE_MAX) {
+ PMD_DRV_LOG(ERR, "maximum packet length must be "
+ "larger than %u and smaller than %u",
+ (uint32_t)RTE_ETHER_MIN_LEN,
+ (uint32_t)ICE_FRAME_SIZE_MAX);
+ return -EINVAL;
}
rxq->max_pkt_len = max_pkt_len;
diff --git a/drivers/net/ice/ice_rxtx.c b/drivers/net/ice/ice_rxtx.c
index ff362c21d9f5..32f3a9342c20 100644
--- a/drivers/net/ice/ice_rxtx.c
+++ b/drivers/net/ice/ice_rxtx.c
@@ -281,26 +281,13 @@ ice_program_hw_rx_queue(struct ice_rx_queue *rxq)
RTE_MIN((uint32_t)ICE_SUPPORT_CHAIN_NUM * rxq->rx_buf_len,
frame_size);
- if (dev_data->mtu > RTE_ETHER_MTU) {
- if (rxq->max_pkt_len <= ICE_ETH_MAX_LEN ||
- rxq->max_pkt_len > ICE_FRAME_SIZE_MAX) {
- PMD_DRV_LOG(ERR, "maximum packet length must "
- "be larger than %u and smaller than %u,"
- "as jumbo frame is enabled",
- (uint32_t)ICE_ETH_MAX_LEN,
- (uint32_t)ICE_FRAME_SIZE_MAX);
- return -EINVAL;
- }
- } else {
- if (rxq->max_pkt_len < RTE_ETHER_MIN_LEN ||
- rxq->max_pkt_len > ICE_ETH_MAX_LEN) {
- PMD_DRV_LOG(ERR, "maximum packet length must be "
- "larger than %u and smaller than %u, "
- "as jumbo frame is disabled",
- (uint32_t)RTE_ETHER_MIN_LEN,
- (uint32_t)ICE_ETH_MAX_LEN);
- return -EINVAL;
- }
+ if (rxq->max_pkt_len <= RTE_ETHER_MIN_LEN ||
+ rxq->max_pkt_len > ICE_FRAME_SIZE_MAX) {
+ PMD_DRV_LOG(ERR, "maximum packet length must "
+ "be larger than %u and smaller than %u",
+ (uint32_t)RTE_ETHER_MIN_LEN,
+ (uint32_t)ICE_FRAME_SIZE_MAX);
+ return -EINVAL;
}
if (rxq->offloads & DEV_RX_OFFLOAD_TIMESTAMP) {
diff --git a/drivers/net/igc/igc_txrx.c b/drivers/net/igc/igc_txrx.c
index 56132e8c6cd6..4887e922e700 100644
--- a/drivers/net/igc/igc_txrx.c
+++ b/drivers/net/igc/igc_txrx.c
@@ -1080,7 +1080,7 @@ igc_rx_init(struct rte_eth_dev *dev)
IGC_WRITE_REG(hw, IGC_RCTL, rctl & ~IGC_RCTL_EN);
/* Configure support of jumbo frames, if any. */
- if (dev->data->mtu & RTE_ETHER_MTU)
+ if (dev->data->mtu > RTE_ETHER_MTU)
rctl |= IGC_RCTL_LPE;
else
rctl &= ~IGC_RCTL_LPE;
diff --git a/drivers/net/ixgbe/ixgbe_rxtx.c b/drivers/net/ixgbe/ixgbe_rxtx.c
index a51450fe5b82..ab4a261ca8f9 100644
--- a/drivers/net/ixgbe/ixgbe_rxtx.c
+++ b/drivers/net/ixgbe/ixgbe_rxtx.c
@@ -5078,7 +5078,7 @@ ixgbe_dev_rx_init(struct rte_eth_dev *dev)
/*
* Configure jumbo frame support, if any.
*/
- if ((dev->data->mtu & RTE_ETHER_MTU) != 0) {
+ if (dev->data->mtu > RTE_ETHER_MTU) {
hlreg0 |= IXGBE_HLREG0_JUMBOEN;
maxfrs = IXGBE_READ_REG(hw, IXGBE_MAXFRS);
maxfrs &= 0x0000FFFF;
--
2.31.1
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