From 8568313f3bdf4bc1de7ace0eb5b92343fc19f3c8 Mon Sep 17 00:00:00 2001 From: "Edgar E. Iglesias" Date: Thu, 11 Oct 2018 04:19:23 +0200 Subject: [PATCH] net: cadence_gem: Add macro with max number of descriptor words MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add macro with max number of DMA descriptor words. No functional change. Reviewed-by: Alistair Francis Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Edgar E. Iglesias Message-id: 20181011021931.4249-5-edgar.iglesias@gmail.com Signed-off-by: Peter Maydell --- hw/net/cadence_gem.c | 4 ++-- include/hw/net/cadence_gem.h | 5 ++++- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c index d67249393c..a59a36eb5a 100644 --- a/hw/net/cadence_gem.c +++ b/hw/net/cadence_gem.c @@ -1042,7 +1042,7 @@ static void gem_transmit_updatestats(CadenceGEMState *s, const uint8_t *packet, */ static void gem_transmit(CadenceGEMState *s) { - uint32_t desc[2]; + uint32_t desc[DESC_MAX_NUM_WORDS]; hwaddr packet_desc_addr; uint8_t tx_packet[2048]; uint8_t *p; @@ -1108,7 +1108,7 @@ static void gem_transmit(CadenceGEMState *s) /* Last descriptor for this packet; hand the whole thing off */ if (tx_desc_get_last(desc)) { - uint32_t desc_first[2]; + uint32_t desc_first[DESC_MAX_NUM_WORDS]; /* Modify the 1st descriptor of this packet to be owned by * the processor. diff --git a/include/hw/net/cadence_gem.h b/include/hw/net/cadence_gem.h index 633d564dc3..b33ef6513b 100644 --- a/include/hw/net/cadence_gem.h +++ b/include/hw/net/cadence_gem.h @@ -32,6 +32,9 @@ #define CADENCE_GEM_MAXREG (0x00000800 / 4) /* Last valid GEM address */ +/* Max number of words in a DMA descriptor. */ +#define DESC_MAX_NUM_WORDS 2 + #define MAX_PRIORITY_QUEUES 8 #define MAX_TYPE1_SCREENERS 16 #define MAX_TYPE2_SCREENERS 16 @@ -74,7 +77,7 @@ typedef struct CadenceGEMState { uint8_t can_rx_state; /* Debug only */ - uint32_t rx_desc[MAX_PRIORITY_QUEUES][2]; + uint32_t rx_desc[MAX_PRIORITY_QUEUES][DESC_MAX_NUM_WORDS]; bool sar_active[4]; } CadenceGEMState;