diff options
| author | Florian Fainelli <f.fainelli@gmail.com> | 2022-10-28 15:21:40 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-10-31 20:05:03 -0700 |
| commit | b98deb2f9803849fd0db714ea9f27aa18f3d9103 (patch) | |
| tree | a436093e6cc3dd584f03dd36aa81d779e6400585 /drivers/net/ethernet/broadcom/bcmsysport.h | |
| parent | 37c8489012dd9e830f2138ef6f2f52dc60ff944c (diff) | |
| download | linux-b98deb2f9803849fd0db714ea9f27aa18f3d9103.tar.bz2 | |
net: systemport: Add support for RDMA overflow statistic counter
RDMA overflows can happen if the Ethernet controller does not have
enough bandwidth allocated at the memory controller level, report RDMA
overflows and deal with saturation, similar to the RBUF overflow
counter.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20221028222141.3208429-1-f.fainelli@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bcmsysport.h')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bcmsysport.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.h b/drivers/net/ethernet/broadcom/bcmsysport.h index 5af16e5f9ad0..335cf6631db5 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.h +++ b/drivers/net/ethernet/broadcom/bcmsysport.h @@ -290,6 +290,7 @@ struct bcm_rsb { #define RDMA_WRITE_PTR_HI 0x1010 #define RDMA_WRITE_PTR_LO 0x1014 +#define RDMA_OVFL_DISC_CNTR 0x1018 #define RDMA_PROD_INDEX 0x1018 #define RDMA_PROD_INDEX_MASK 0xffff @@ -565,6 +566,7 @@ struct bcm_sysport_mib { u32 rxchk_other_pkt_disc; u32 rbuf_ovflow_cnt; u32 rbuf_err_cnt; + u32 rdma_ovflow_cnt; u32 alloc_rx_buff_failed; u32 rx_dma_failed; u32 tx_dma_failed; @@ -581,6 +583,7 @@ enum bcm_sysport_stat_type { BCM_SYSPORT_STAT_RUNT, BCM_SYSPORT_STAT_RXCHK, BCM_SYSPORT_STAT_RBUF, + BCM_SYSPORT_STAT_RDMA, BCM_SYSPORT_STAT_SOFT, }; @@ -627,6 +630,14 @@ enum bcm_sysport_stat_type { .reg_offset = ofs, \ } +#define STAT_RDMA(str, m, ofs) { \ + .stat_string = str, \ + .stat_sizeof = sizeof(((struct bcm_sysport_priv *)0)->m), \ + .stat_offset = offsetof(struct bcm_sysport_priv, m), \ + .type = BCM_SYSPORT_STAT_RDMA, \ + .reg_offset = ofs, \ +} + /* TX bytes and packets */ #define NUM_SYSPORT_TXQ_STAT 2 |