From bde3528f17aebb9c74d6b0ef81860868c91af049 Mon Sep 17 00:00:00 2001 From: Ben Hutchings Date: Fri, 8 Apr 2011 13:45:11 +0000 Subject: [PATCH] gianfar: Clean up implementation of RX network flow classification This code was cribbed from niu, so gfar_set_hash_opts() begins by converting the ethtool flow class code into a class code for Sun Neptune hardware, then does the same thing again for the hardware it's really dealing with. It may also return -1 (-EPERM) for some unhandled ethtool flow class codes. Remove the useless code and definitions, and fix the error code. Signed-off-by: Ben Hutchings Signed-off-by: David S. Miller --- drivers/net/gianfar.h | 17 ------------ drivers/net/gianfar_ethtool.c | 52 +---------------------------------- 2 files changed, 1 insertion(+), 68 deletions(-) diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h index ec5d595ce2e2..57ee3b009d75 100644 --- a/drivers/net/gianfar.h +++ b/drivers/net/gianfar.h @@ -382,23 +382,6 @@ extern const char gfar_driver_version[]; #define BD_LFLAG(flags) ((flags) << 16) #define BD_LENGTH_MASK 0x0000ffff -#define CLASS_CODE_UNRECOG 0x00 -#define CLASS_CODE_DUMMY1 0x01 -#define CLASS_CODE_ETHERTYPE1 0x02 -#define CLASS_CODE_ETHERTYPE2 0x03 -#define CLASS_CODE_USER_PROG1 0x04 -#define CLASS_CODE_USER_PROG2 0x05 -#define CLASS_CODE_USER_PROG3 0x06 -#define CLASS_CODE_USER_PROG4 0x07 -#define CLASS_CODE_TCP_IPV4 0x08 -#define CLASS_CODE_UDP_IPV4 0x09 -#define CLASS_CODE_AH_ESP_IPV4 0x0a -#define CLASS_CODE_SCTP_IPV4 0x0b -#define CLASS_CODE_TCP_IPV6 0x0c -#define CLASS_CODE_UDP_IPV6 0x0d -#define CLASS_CODE_AH_ESP_IPV6 0x0e -#define CLASS_CODE_SCTP_IPV6 0x0f - #define FPR_FILER_MASK 0xFFFFFFFF #define MAX_FILER_IDX 0xFF diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c index 3bc8e276ba4d..0840590958dd 100644 --- a/drivers/net/gianfar_ethtool.c +++ b/drivers/net/gianfar_ethtool.c @@ -645,42 +645,6 @@ static int gfar_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) } #endif -static int gfar_ethflow_to_class(int flow_type, u64 *class) -{ - switch (flow_type) { - case TCP_V4_FLOW: - *class = CLASS_CODE_TCP_IPV4; - break; - case UDP_V4_FLOW: - *class = CLASS_CODE_UDP_IPV4; - break; - case AH_V4_FLOW: - case ESP_V4_FLOW: - *class = CLASS_CODE_AH_ESP_IPV4; - break; - case SCTP_V4_FLOW: - *class = CLASS_CODE_SCTP_IPV4; - break; - case TCP_V6_FLOW: - *class = CLASS_CODE_TCP_IPV6; - break; - case UDP_V6_FLOW: - *class = CLASS_CODE_UDP_IPV6; - break; - case AH_V6_FLOW: - case ESP_V6_FLOW: - *class = CLASS_CODE_AH_ESP_IPV6; - break; - case SCTP_V6_FLOW: - *class = CLASS_CODE_SCTP_IPV6; - break; - default: - return 0; - } - - return 1; -} - static void ethflow_to_filer_rules (struct gfar_private *priv, u64 ethflow) { u32 fcr = 0x0, fpr = FPR_FILER_MASK; @@ -778,11 +742,6 @@ static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u case UDP_V6_FLOW: cmp_rqfpr = RQFPR_IPV6 |RQFPR_UDP; break; - case IPV4_FLOW: - cmp_rqfpr = RQFPR_IPV4; - case IPV6_FLOW: - cmp_rqfpr = RQFPR_IPV6; - break; default: printk(KERN_ERR "Right now this class is not supported\n"); return 0; @@ -848,18 +807,9 @@ static int gfar_ethflow_to_filer_table(struct gfar_private *priv, u64 ethflow, u static int gfar_set_hash_opts(struct gfar_private *priv, struct ethtool_rxnfc *cmd) { - u64 class; - - if (!gfar_ethflow_to_class(cmd->flow_type, &class)) - return -EINVAL; - - if (class < CLASS_CODE_USER_PROG1 || - class > CLASS_CODE_SCTP_IPV6) - return -EINVAL; - /* write the filer rules here */ if (!gfar_ethflow_to_filer_table(priv, cmd->data, cmd->flow_type)) - return -1; + return -EINVAL; return 0; } -- 2.20.1