iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

cxgb4: move Tx/Rx free pages collection to common code

Browse Source 
This information needs to be collected in vmcore device dump as well.
So, move to common code.

Fixes: fa145d5dfd ("cxgb4: display number of rx and tx pages free")
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rahul Lakkireddy 2018-07-24 20:17:10 +05:30 committed by David S. Miller
parent 9d0f180cd5
commit ae2a922fae
3 changed files with 14 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h
View File

@ -140,6 +140,8 @@ struct cudbg_meminfo {
u32 loopback_used[NCHAN];
u32 loopback_alloc[NCHAN];
u32 p_structs_free_cnt;
u32 free_rx_cnt;
u32 free_tx_cnt;
};
struct cudbg_cim_pif_la {

10
drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
View File

@ -349,6 +349,11 @@ int cudbg_fill_meminfo(struct adapter *padap,
meminfo_buff->up_extmem2_hi = hi;
lo = t4_read_reg(padap, TP_PMM_RX_MAX_PAGE_A);
for (i = 0, meminfo_buff->free_rx_cnt = 0; i < 2; i++)
meminfo_buff->free_rx_cnt +=
FREERXPAGECOUNT_G(t4_read_reg(padap,
TP_FLM_FREE_RX_CNT_A));
meminfo_buff->rx_pages_data[0] = PMRXMAXPAGE_G(lo);
meminfo_buff->rx_pages_data[1] =
t4_read_reg(padap, TP_PMM_RX_PAGE_SIZE_A) >> 10;
@ -356,6 +361,11 @@ int cudbg_fill_meminfo(struct adapter *padap,
lo = t4_read_reg(padap, TP_PMM_TX_MAX_PAGE_A);
hi = t4_read_reg(padap, TP_PMM_TX_PAGE_SIZE_A);
for (i = 0, meminfo_buff->free_tx_cnt = 0; i < 4; i++)
meminfo_buff->free_tx_cnt +=
FREETXPAGECOUNT_G(t4_read_reg(padap,
TP_FLM_FREE_TX_CNT_A));
meminfo_buff->tx_pages_data[0] = PMTXMAXPAGE_G(lo);
meminfo_buff->tx_pages_data[1] =
hi >= (1 << 20) ? (hi >> 20) : (hi >> 10);

11
drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
View File

@ -2858,7 +2858,6 @@ static int meminfo_show(struct seq_file *seq, void *v)
{
static const char * const memory[] = { "EDC0:", "EDC1:", "MC:",
"MC0:", "MC1:", "HMA:"};
unsigned int free_rx_cnt, free_tx_cnt;
struct adapter *adap = seq->private;
struct cudbg_meminfo meminfo;
int i, rc;
@ -2890,18 +2889,12 @@ static int meminfo_show(struct seq_file *seq, void *v)
mem_region_show(seq, "uP Extmem2:", meminfo.up_extmem2_lo,
meminfo.up_extmem2_hi);
for (i = 0, free_rx_cnt = 0; i < 2; i++)
free_rx_cnt += FREERXPAGECOUNT_G
(t4_read_reg(adap, TP_FLM_FREE_RX_CNT_A));
seq_printf(seq, "\n%u Rx pages (%u free) of size %uKiB for %u channels\n",
meminfo.rx_pages_data[0], free_rx_cnt,
meminfo.rx_pages_data[0], meminfo.free_rx_cnt,
meminfo.rx_pages_data[1], meminfo.rx_pages_data[2]);
for (i = 0, free_tx_cnt = 0; i < 4; i++)
free_tx_cnt += FREETXPAGECOUNT_G
(t4_read_reg(adap, TP_FLM_FREE_TX_CNT_A));
seq_printf(seq, "%u Tx pages (%u free) of size %u%ciB for %u channels\n",
meminfo.tx_pages_data[0], free_tx_cnt,
meminfo.tx_pages_data[0], meminfo.free_tx_cnt,
meminfo.tx_pages_data[1], meminfo.tx_pages_data[2],
meminfo.tx_pages_data[3]);