From 3c20f72f9108b2fcf30ec63d8a4203736c01ccd0 Mon Sep 17 00:00:00 2001 From: Giuseppe CAVALLARO Date: Wed, 26 Oct 2011 19:43:09 +0000 Subject: stmmac: update normal descriptor structure (v2) This patch updates the normal descriptor structure to work fine on new GMAC Synopsys chips. Normal descriptors were designed on the old MAC10/100 databook 1.91 where some bits were reserved: for example the tx checksum insertion and rx checksum offload. The patch maintains the back-compatibility with old MAC devices (tested on STx7109 MAC10/100) and adds new fields that actually new GMAC devices can use. For example, STx7109 (MAC10/100) will pass from the platform tx_coe = 0, enh_desc = 0, has_gmac = 0. A platform like Loongson1B (GMAC) will pass: tx_coe = 1, enh_desc = 0, has_gmac = 1. Thanks to Kelvin, he enhanced the normal descriptors for GMAC (on MIPS Loongson1B platform). Signed-off-by: Kelvin Cheung Signed-off-by: Giuseppe Cavallaro Signed-off-by: David S. Miller --- drivers/net/ethernet/stmicro/stmmac/descs.h | 31 +++++++++++++++++------------ 1 file changed, 18 insertions(+), 13 deletions(-) (limited to 'drivers/net/ethernet/stmicro/stmmac/descs.h') diff --git a/drivers/net/ethernet/stmicro/stmmac/descs.h b/drivers/net/ethernet/stmicro/stmmac/descs.h index 63a03e264694..9820ec842cc0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/descs.h +++ b/drivers/net/ethernet/stmicro/stmmac/descs.h @@ -25,33 +25,34 @@ struct dma_desc { union { struct { /* RDES0 */ - u32 reserved1:1; + u32 payload_csum_error:1; u32 crc_error:1; u32 dribbling:1; u32 mii_error:1; u32 receive_watchdog:1; u32 frame_type:1; u32 collision:1; - u32 frame_too_long:1; + u32 ipc_csum_error:1; u32 last_descriptor:1; u32 first_descriptor:1; - u32 multicast_frame:1; - u32 run_frame:1; + u32 vlan_tag:1; + u32 overflow_error:1; u32 length_error:1; - u32 partial_frame_error:1; + u32 sa_filter_fail:1; u32 descriptor_error:1; u32 error_summary:1; u32 frame_length:14; - u32 filtering_fail:1; + u32 da_filter_fail:1; u32 own:1; /* RDES1 */ u32 buffer1_size:11; u32 buffer2_size:11; - u32 reserved2:2; + u32 reserved1:2; u32 second_address_chained:1; u32 end_ring:1; - u32 reserved3:5; + u32 reserved2:5; u32 disable_ic:1; + } rx; struct { /* RDES0 */ @@ -91,24 +92,28 @@ struct dma_desc { u32 underflow_error:1; u32 excessive_deferral:1; u32 collision_count:4; - u32 heartbeat_fail:1; + u32 vlan_frame:1; u32 excessive_collisions:1; u32 late_collision:1; u32 no_carrier:1; u32 loss_carrier:1; - u32 reserved1:3; + u32 payload_error:1; + u32 frame_flushed:1; + u32 jabber_timeout:1; u32 error_summary:1; - u32 reserved2:15; + u32 ip_header_error:1; + u32 time_stamp_status:1; + u32 reserved1:13; u32 own:1; /* TDES1 */ u32 buffer1_size:11; u32 buffer2_size:11; - u32 reserved3:1; + u32 time_stamp_enable:1; u32 disable_padding:1; u32 second_address_chained:1; u32 end_ring:1; u32 crc_disable:1; - u32 reserved4:2; + u32 checksum_insertion:2; u32 first_segment:1; u32 last_segment:1; u32 interrupt:1; -- cgit v1.2.1