| Message ID | 1437610236-12490-21-git-send-email-izumi.taku@jp.fujitsu.com (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
Hello. On 7/23/2015 3:10 AM, Taku Izumi wrote: > This patch adds implementation of handling IRQ > of other receiver's receive cancellation request. > Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> > --- > drivers/net/fjes/fjes_main.c | 79 ++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 79 insertions(+) > > diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c > index faaf2ed..b21ad68 100644 > --- a/drivers/net/fjes/fjes_main.c > +++ b/drivers/net/fjes/fjes_main.c > @@ -822,6 +822,75 @@ static int fjes_vlan_rx_kill_vid(struct net_device *netdev, > return 0; > } > > +static void fjes_txrx_stop_req_irq(struct fjes_adapter *adapter, > + int src_epid) > +{ > + struct fjes_hw *hw = &adapter->hw; > + enum ep_partner_status status; > + > + status = fjes_hw_get_partner_ep_status(hw, src_epid); > + switch (status) { > + case EP_PARTNER_UNSHARE: > + default: > + break; > + case EP_PARTNER_COMPLETE: > + break; Why this *case* isn't merged with the above ones? > + case EP_PARTNER_WAITING: > + if (src_epid < hw->my_epid) { > + hw->ep_shm_info[src_epid].tx.info->v1i.rx_status |= > + FJES_RX_STOP_REQ_DONE; > + > + clear_bit(src_epid, &hw->txrx_stop_req_bit); > + set_bit(src_epid, &adapter->unshare_watch_bitmask); > + > + if (!work_pending(&adapter->unshare_watch_task)) > + queue_work(adapter->control_wq, > + &adapter->unshare_watch_task); > + } > + break; > + case EP_PARTNER_SHARED: > + if (hw->ep_shm_info[src_epid].rx.info->v1i.rx_status > + & FJES_RX_STOP_REQ_REQUEST) { Please leave the & operator on the first line and start the second line right under 'hw' on the first. [...] MBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Hi Sergei, Thanks for revewing. > -----Original Message----- > From: Sergei Shtylyov [mailto:sergei.shtylyov@cogentembedded.com] > Sent: Thursday, July 23, 2015 10:06 PM > To: Izumi, Taku/? ?; netdev@vger.kernel.org; davem@davemloft.net > Cc: platform-driver-x86@vger.kernel.org; dvhart@infradead.org; rkhan@redhat.com; alexander.h.duyck@redhat.com; > linux-acpi@vger.kernel.org; joe@perches.com; stephen@networkplumber.org; yasu.isimatu@gmail.com > Subject: Re: [PATCH v2.1 21/22] fjes: handle receive cancellation request interrupt > > Hello. > > On 7/23/2015 3:10 AM, Taku Izumi wrote: > > > This patch adds implementation of handling IRQ > > of other receiver's receive cancellation request. > > > Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> > > --- > > drivers/net/fjes/fjes_main.c | 79 ++++++++++++++++++++++++++++++++++++++++++++ > > 1 file changed, 79 insertions(+) > > > > diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c > > index faaf2ed..b21ad68 100644 > > --- a/drivers/net/fjes/fjes_main.c > > +++ b/drivers/net/fjes/fjes_main.c > > @@ -822,6 +822,75 @@ static int fjes_vlan_rx_kill_vid(struct net_device *netdev, > > return 0; > > } > > > > +static void fjes_txrx_stop_req_irq(struct fjes_adapter *adapter, > > + int src_epid) > > +{ > > + struct fjes_hw *hw = &adapter->hw; > > + enum ep_partner_status status; > > + > > + status = fjes_hw_get_partner_ep_status(hw, src_epid); > > + switch (status) { > > + case EP_PARTNER_UNSHARE: > > + default: > > + break; > > + case EP_PARTNER_COMPLETE: > > + break; > > Why this *case* isn't merged with the above ones? Oh... You are right. > > > + case EP_PARTNER_WAITING: > > + if (src_epid < hw->my_epid) { > > + hw->ep_shm_info[src_epid].tx.info->v1i.rx_status |= > > + FJES_RX_STOP_REQ_DONE; > > + > > + clear_bit(src_epid, &hw->txrx_stop_req_bit); > > + set_bit(src_epid, &adapter->unshare_watch_bitmask); > > + > > + if (!work_pending(&adapter->unshare_watch_task)) > > + queue_work(adapter->control_wq, > > + &adapter->unshare_watch_task); > > + } > > + break; > > + case EP_PARTNER_SHARED: > > + if (hw->ep_shm_info[src_epid].rx.info->v1i.rx_status > > + & FJES_RX_STOP_REQ_REQUEST) { > > Please leave the & operator on the first line and start the second line > right under 'hw' on the first. OK. > > [...] > > MBR, Sergei Sincerely, Taku Izumi -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c index faaf2ed..b21ad68 100644 --- a/drivers/net/fjes/fjes_main.c +++ b/drivers/net/fjes/fjes_main.c @@ -822,6 +822,75 @@ static int fjes_vlan_rx_kill_vid(struct net_device *netdev, return 0; } +static void fjes_txrx_stop_req_irq(struct fjes_adapter *adapter, + int src_epid) +{ + struct fjes_hw *hw = &adapter->hw; + enum ep_partner_status status; + + status = fjes_hw_get_partner_ep_status(hw, src_epid); + switch (status) { + case EP_PARTNER_UNSHARE: + default: + break; + case EP_PARTNER_COMPLETE: + break; + case EP_PARTNER_WAITING: + if (src_epid < hw->my_epid) { + hw->ep_shm_info[src_epid].tx.info->v1i.rx_status |= + FJES_RX_STOP_REQ_DONE; + + clear_bit(src_epid, &hw->txrx_stop_req_bit); + set_bit(src_epid, &adapter->unshare_watch_bitmask); + + if (!work_pending(&adapter->unshare_watch_task)) + queue_work(adapter->control_wq, + &adapter->unshare_watch_task); + } + break; + case EP_PARTNER_SHARED: + if (hw->ep_shm_info[src_epid].rx.info->v1i.rx_status + & FJES_RX_STOP_REQ_REQUEST) { + set_bit(src_epid, &hw->epstop_req_bit); + if (!work_pending(&hw->epstop_task)) + queue_work(adapter->control_wq, + &hw->epstop_task); + } + break; + } +} + +static void fjes_stop_req_irq(struct fjes_adapter *adapter, int src_epid) +{ + struct fjes_hw *hw = &adapter->hw; + enum ep_partner_status status; + + set_bit(src_epid, &hw->hw_info.buffer_unshare_reserve_bit); + + status = fjes_hw_get_partner_ep_status(hw, src_epid); + switch (status) { + case EP_PARTNER_WAITING: + hw->ep_shm_info[src_epid].tx.info->v1i.rx_status |= + FJES_RX_STOP_REQ_DONE; + clear_bit(src_epid, &hw->txrx_stop_req_bit); + /* fall through */ + case EP_PARTNER_UNSHARE: + case EP_PARTNER_COMPLETE: + default: + set_bit(src_epid, &adapter->unshare_watch_bitmask); + if (!work_pending(&adapter->unshare_watch_task)) + queue_work(adapter->control_wq, + &adapter->unshare_watch_task); + break; + case EP_PARTNER_SHARED: + set_bit(src_epid, &hw->epstop_req_bit); + + if (!work_pending(&hw->epstop_task)) + queue_work(adapter->control_wq, &hw->epstop_task); + break; + } +} + static void fjes_update_zone_irq(struct fjes_adapter *adapter, int src_epid) { @@ -844,6 +913,16 @@ static irqreturn_t fjes_intr(int irq, void *data) if (icr & REG_ICTL_MASK_RX_DATA) fjes_rx_irq(adapter, icr & REG_IS_MASK_EPID); + if (icr & REG_ICTL_MASK_DEV_STOP_REQ) + fjes_stop_req_irq(adapter, icr & REG_IS_MASK_EPID); + + if (icr & REG_ICTL_MASK_TXRX_STOP_REQ) + fjes_txrx_stop_req_irq(adapter, icr & REG_IS_MASK_EPID); + + if (icr & REG_ICTL_MASK_TXRX_STOP_DONE) + fjes_hw_set_irqmask(hw, + REG_ICTL_MASK_TXRX_STOP_DONE, true); + if (icr & REG_ICTL_MASK_INFO_UPDATE) fjes_update_zone_irq(adapter, icr & REG_IS_MASK_EPID);
This patch adds implementation of handling IRQ of other receiver's receive cancellation request. Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> --- drivers/net/fjes/fjes_main.c | 79 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+)