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net/ixgbe: add API to update SBP bit

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Add ixgbe API to enable SBP bit in FCTRL register
to allow receiving packets that may otherwise be
considered length errors by ixgbe and dropped

Signed-off-by: Shweta Choudaha <shweta.choudaha@att.com>
Reviewed-by: Chas Williams <chas3@att.com>
Reviewed-by: Luca Boccassi <bluca@debian.org>
Acked-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
This commit is contained in:
Shweta Choudaha 2018-04-10 16:42:46 +01:00 committed by Ferruh Yigit
parent 169a9da64a
commit c2071c19ad
3 changed files with 42 additions and 0 deletions
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28
drivers/net/ixgbe/rte_pmd_ixgbe.c
View File

@ -881,6 +881,34 @@ rte_pmd_ixgbe_set_tc_bw_alloc(uint16_t port,
return 0;
}
int __rte_experimental
rte_pmd_ixgbe_upd_fctrl_sbp(uint16_t port, int enable)
{
struct ixgbe_hw *hw;
struct rte_eth_dev *dev;
uint32_t fctrl;
RTE_ETH_VALID_PORTID_OR_ERR_RET(port, -ENODEV);
dev = &rte_eth_devices[port];
if (!is_ixgbe_supported(dev))
return -ENOTSUP;
hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
if (!hw)
return -ENOTSUP;
fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
/* If 'enable' set the SBP bit else clear it */
if (enable)
fctrl |= IXGBE_FCTRL_SBP;
else
fctrl &= ~(IXGBE_FCTRL_SBP);
IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl);
return 0;
}
#ifdef RTE_LIBRTE_IXGBE_BYPASS
int
rte_pmd_ixgbe_bypass_init(uint16_t port_id)

13
drivers/net/ixgbe/rte_pmd_ixgbe.h
View File

@ -708,4 +708,17 @@ enum {
((x) > RTE_PMD_IXGBE_BYPASS_TMT_OFF && \
(x) < RTE_PMD_IXGBE_BYPASS_TMT_NUM))
/**
* @param port
* The port identifier of the Ethernet device.
* @param enable
* 0 to disable and nonzero to enable 'SBP' bit in FCTRL register
* to receive all packets
* @return
* - (0) if successful.
* - (-ENODEV) if *port* invalid.
* - (-ENOTSUP) if hardware doesn't support this feature.
*/
int __rte_experimental
rte_pmd_ixgbe_upd_fctrl_sbp(uint16_t port, int enable);
#endif /* _PMD_IXGBE_H_ */

1
drivers/net/ixgbe/rte_pmd_ixgbe_version.map
View File

@ -60,4 +60,5 @@ EXPERIMENTAL {
rte_pmd_ixgbe_mdio_unlock;
rte_pmd_ixgbe_mdio_unlocked_read;
rte_pmd_ixgbe_mdio_unlocked_write;
rte_pmd_ixgbe_upd_fctrl_sbp;
};