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authorHariprasad Shenai <hariprasad@chelsio.com>2015-06-03 21:04:40 +0530
committerDavid S. Miller <davem@davemloft.net>2015-06-03 23:40:19 -0700
commita622297535b675d4444da88c499e1c35167f4622 (patch)
treecd2f72ec366bc8438f6fc1981c5f3767a3de78b4 /drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
parentcxgb4: Add ethtool support to get adapter stats (diff)
downloadlinux-dev-a622297535b675d4444da88c499e1c35167f4622.tar.xz
linux-dev-a622297535b675d4444da88c499e1c35167f4622.zip
cxgb4: Add support in ethtool to dump channel stats
Add support in ethtool to dump adapter channel stats Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/t4_hw.c')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_hw.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index 79b2714f1881..e8bfe6f0dd7c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -3829,6 +3829,27 @@ void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st)
}
/**
+ * t4_tp_get_cpl_stats - read TP's CPL MIB counters
+ * @adap: the adapter
+ * @st: holds the counter values
+ *
+ * Returns the values of TP's CPL counters.
+ */
+void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st)
+{
+ /* T6 and later has 2 channels */
+ if (adap->params.arch.nchan == NCHAN) {
+ t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A, st->req,
+ 8, TP_MIB_CPL_IN_REQ_0_A);
+ } else {
+ t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A, st->req,
+ 2, TP_MIB_CPL_IN_REQ_0_A);
+ t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A, st->rsp,
+ 2, TP_MIB_CPL_OUT_RSP_0_A);
+ }
+}
+
+/**
* t4_tp_get_rdma_stats - read TP's RDMA MIB counters
* @adap: the adapter
* @st: holds the counter values
@@ -3842,6 +3863,28 @@ void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st)
}
/**
+ * t4_get_fcoe_stats - read TP's FCoE MIB counters for a port
+ * @adap: the adapter
+ * @idx: the port index
+ * @st: holds the counter values
+ *
+ * Returns the values of TP's FCoE counters for the selected port.
+ */
+void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx,
+ struct tp_fcoe_stats *st)
+{
+ u32 val[2];
+
+ t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A, &st->frames_ddp,
+ 1, TP_MIB_FCOE_DDP_0_A + idx);
+ t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A, &st->frames_drop,
+ 1, TP_MIB_FCOE_DROP_0_A + idx);
+ t4_read_indirect(adap, TP_MIB_INDEX_A, TP_MIB_DATA_A, val,
+ 2, TP_MIB_FCOE_BYTE_0_HI_A + 2 * idx);
+ st->octets_ddp = ((u64)val[0] << 32) | val[1];
+}
+
+/**
* t4_get_usm_stats - read TP's non-TCP DDP MIB counters
* @adap: the adapter
* @st: holds the counter values