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

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

Fixes: fa145d5dfd61 ("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>

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h b/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h
index 84e0e71d9ad52f13ae87b3ec9dbf7702b20e7553..36d25883d12306cdb1270518e24dbaaf0d7dde5f 100644 (file)
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_entity.h
@@ -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 {

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
index e3ad733f690a6c2d8f5af93bf37c3b173c6bbf41..d97e0d7e541afde772cf669a98f58d9a5a6eb626 100644 (file)
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
@@ -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);

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
index 218ee8e142493ea8951b8701406a34265883d7c2..2320f7829a6b782c22a55d35ebdffd0eae4daf18 100644 (file)
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
@@ -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]);