diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
commit | 863981e96738983919de841ec669e157e6bdaeb0 (patch) | |
tree | d6d89a12e7eb8017837c057935a2271290907f76 /drivers/net/ethernet/stmicro/stmmac/norm_desc.c | |
parent | 8dec7c70575785729a6a9e6719a955e9c545bcab (diff) |
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/norm_desc.c')
-rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/norm_desc.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c index 011386f6f..2beacd0d3 100644 --- a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c +++ b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c @@ -279,6 +279,26 @@ static int ndesc_get_rx_timestamp_status(void *desc, u32 ats) return 1; } +static void ndesc_display_ring(void *head, unsigned int size, bool rx) +{ + struct dma_desc *p = (struct dma_desc *)head; + int i; + + pr_info("%s descriptor ring:\n", rx ? "RX" : "TX"); + + for (i = 0; i < size; i++) { + u64 x; + + x = *(u64 *)p; + pr_info("%d [0x%x]: 0x%x 0x%x 0x%x 0x%x", + i, (unsigned int)virt_to_phys(p), + (unsigned int)x, (unsigned int)(x >> 32), + p->des2, p->des3); + p++; + } + pr_info("\n"); +} + const struct stmmac_desc_ops ndesc_ops = { .tx_status = ndesc_get_tx_status, .rx_status = ndesc_get_rx_status, @@ -297,4 +317,5 @@ const struct stmmac_desc_ops ndesc_ops = { .get_tx_timestamp_status = ndesc_get_tx_timestamp_status, .get_timestamp = ndesc_get_timestamp, .get_rx_timestamp_status = ndesc_get_rx_timestamp_status, + .display_ring = ndesc_display_ring, }; |