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net/qede/base: add API to update FW RSS indirection table

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Added ecore_update_eth_rss_ind_table_entry() api to update FW RSS
indirection table entry according to new interface of FW 8.37.x.x.

Signed-off-by: Rasesh Mody <rasesh.mody@cavium.com>
This commit is contained in:
Rasesh Mody 2018-09-29 08:14:30 +00:00 committed by Ferruh Yigit
parent 23c5600a88
commit 0b855a345e
2 changed files with 76 additions and 0 deletions
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52
drivers/net/qede/base/ecore_l2.c
View File

@ -2323,3 +2323,55 @@ ecore_eth_tx_queue_maxrate(struct ecore_hwfn *p_hwfn,
return ecore_init_vport_rl(p_hwfn, p_ptt, vport, rate,
p_link->speed);
}
#define RSS_TSTORM_UPDATE_STATUS_MAX_POLL_COUNT 100
#define RSS_TSTORM_UPDATE_STATUS_POLL_PERIOD_US 1
enum _ecore_status_t
ecore_update_eth_rss_ind_table_entry(struct ecore_hwfn *p_hwfn,
u8 vport_id,
u8 ind_table_index,
u16 ind_table_value)
{
struct eth_tstorm_rss_update_data update_data = { 0 };
void OSAL_IOMEM *addr = OSAL_NULL;
enum _ecore_status_t rc;
u8 abs_vport_id;
u32 cnt = 0;
OSAL_BUILD_BUG_ON(sizeof(update_data) != sizeof(u64));
rc = ecore_fw_vport(p_hwfn, vport_id, &abs_vport_id);
if (rc != ECORE_SUCCESS)
return rc;
addr = (u8 OSAL_IOMEM *)p_hwfn->regview +
GTT_BAR0_MAP_REG_TSDM_RAM +
TSTORM_ETH_RSS_UPDATE_OFFSET(p_hwfn->rel_pf_id);
*(u64 *)(&update_data) = DIRECT_REG_RD64(p_hwfn, addr);
for (cnt = 0; update_data.valid &&
cnt < RSS_TSTORM_UPDATE_STATUS_MAX_POLL_COUNT; cnt++) {
OSAL_UDELAY(RSS_TSTORM_UPDATE_STATUS_POLL_PERIOD_US);
*(u64 *)(&update_data) = DIRECT_REG_RD64(p_hwfn, addr);
}
if (update_data.valid) {
DP_NOTICE(p_hwfn, true,
"rss update valid status is not clear! valid=0x%x vport id=%d ind_Table_idx=%d ind_table_value=%d.\n",
update_data.valid, vport_id, ind_table_index,
ind_table_value);
return ECORE_AGAIN;
}
update_data.valid = 1;
update_data.ind_table_index = ind_table_index;
update_data.ind_table_value = ind_table_value;
update_data.vport_id = abs_vport_id;
DIRECT_REG_WR64(p_hwfn, addr, *(u64 *)(&update_data));
return ECORE_SUCCESS;
}

24
drivers/net/qede/base/ecore_l2_api.h
View File

@ -470,4 +470,28 @@ ecore_configure_rfs_ntuple_filter(struct ecore_hwfn *p_hwfn,
dma_addr_t p_addr, u16 length,
u16 qid, u8 vport_id,
bool b_is_add);
/**
* @brief - ecore_update_eth_rss_ind_table_entry
*
* This function being used to update RSS indirection table entry to FW RAM
* instead of using the SP vport update ramrod with rss params.
*
* Notice:
* This function supports only one outstanding command per engine. Ecore
* clients which use this function should call ecore_mcp_ind_table_lock() prior
* to it and ecore_mcp_ind_table_unlock() after it.
*
* @params p_hwfn
* @params vport_id
* @params ind_table_index
* @params ind_table_value
*
* @return enum _ecore_status_t
*/
enum _ecore_status_t
ecore_update_eth_rss_ind_table_entry(struct ecore_hwfn *p_hwfn,
u8 vport_id,
u8 ind_table_index,
u16 ind_table_value);
#endif