From: Guo-Fu Tseng Date: Mon, 6 Jul 2009 04:41:22 +0000 (+0000) Subject: jme: Tuning rxsum function X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ce7d70af2c8b9c74e8afb2c0d69e304d141ce4aa;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git jme: Tuning rxsum function 1. Use more efficient way to determine flag status. 2. Hardware dose not mark fragment bit against IPv6 packets, print TCP/UDP checksum warning message for IPv4 packets only. Signed-off-by: Guo-Fu Tseng Signed-off-by: David S. Miller --- diff --git a/drivers/net/jme.c b/drivers/net/jme.c index 29cd5f43eea5..e7068c7cd627 100644 --- a/drivers/net/jme.c +++ b/drivers/net/jme.c @@ -880,27 +880,27 @@ jme_rxsum_ok(struct jme_adapter *jme, u16 flags) if (!(flags & (RXWBFLAG_TCPON | RXWBFLAG_UDPON | RXWBFLAG_IPV4))) return false; - if (unlikely(!(flags & RXWBFLAG_MF) && - (flags & RXWBFLAG_TCPON) && !(flags & RXWBFLAG_TCPCS))) { - msg_rx_err(jme, "TCP Checksum error.\n"); - goto out_sumerr; + if (unlikely((flags & (RXWBFLAG_MF | RXWBFLAG_TCPON | RXWBFLAG_TCPCS)) + == RXWBFLAG_TCPON)) { + if (flags & RXWBFLAG_IPV4) + msg_rx_err(jme, "TCP Checksum error\n"); + return false; } - if (unlikely(!(flags & RXWBFLAG_MF) && - (flags & RXWBFLAG_UDPON) && !(flags & RXWBFLAG_UDPCS))) { - msg_rx_err(jme, "UDP Checksum error.\n"); - goto out_sumerr; + if (unlikely((flags & (RXWBFLAG_MF | RXWBFLAG_UDPON | RXWBFLAG_UDPCS)) + == RXWBFLAG_UDPON)) { + if (flags & RXWBFLAG_IPV4) + msg_rx_err(jme, "UDP Checksum error.\n"); + return false; } - if (unlikely((flags & RXWBFLAG_IPV4) && !(flags & RXWBFLAG_IPCS))) { + if (unlikely((flags & (RXWBFLAG_IPV4 | RXWBFLAG_IPCS)) + == RXWBFLAG_IPV4)) { msg_rx_err(jme, "IPv4 Checksum error.\n"); - goto out_sumerr; + return false; } return true; - -out_sumerr: - return false; } static void